A report on the water mite collection of the Zoological Institute of the Academy of Sciences, St. Petersburg
Reinhard Gerecke and Denis Tumanov

Introduction

During a meeting at St. Petersburg in the second half of August, 1997 (financed by a grant of the DFG) I had the occasion to produce a preliminary inventory of the water mites preserved in the collections of the Zoological Institute. The nucleus of this material is constituted by the collection Sokolow.
The composition of this part of the collection can be easily deduced from Sokolow's publications. In general, he preserved types of new species and other particularly interesting specimens on slides, the rest of the material studied in well-labeled glass tubes.
This is not the place to document presence/absence and status of types and other interesting specimens from his collection. However, as far as possible, reference is made to the presence of the designation "Type" on labels; contrariously, for the boxes 25/26 which contain nearly exclusively Type material, an asterisk behind the preparation number signs slides lacking the indication "Type". Designation of lectotypes and the interpretation of the real status of the slides now labelled as "Type" is planned for a future project in cooperation with Dr. D. Tumanov (St. Petersburg).
The following text aims to give a general idea on the dimensions and organization of this very important collection (including a tentative evaluation following the criteria of Mc Ginley, 1989). As detailed as possible, all additional, "non-Sokolow" material will be enumerated (gifts from other colleagues, partly determined or undetermined specimens from recent samplings). This documentation reveals numerous surprising details new to scientists working in aquatic acarology.


General state of the collection

Until the end of the 2nd world war, Sokolows collection was treated as his private possess, and was sorted following his own numeration system. Later, Sokolow gave his collection to the museum and the slides were marked with additional numbers referring to the museum inventory system. Numbers in red colour refer to the type catalogue conserved at the museum. These contradictory numbers may be one of the reasons for the partly disordinated present state of the slide collection that renders conservatory work difficulty. A further problem is that preparations which were produced during the past 40 decades by Sokolow, Jankowskaja (and also other specialists?) have been added to the collection in a somewhat unsystematic manner. For these reasons, the first work to be done for allowing easy access to the slide collection, was a new numeration of all boxes, together with the production of a complete list of their contents (part A of this report). If there are older labels on the boxes, they are cited in parentheses in order to ensure identification of the boxes. The new numbers given in 1997 differ from all other labelling in consisting of a point preceeding the number (.1, .2, ...). They are written with white ink.
As a difference to the slide collection, the fluid collection is perfectly organized in a first, geographic, and a second, systematic part. For this collection we give a list of its contents because it retains many interesting species (part B).


Evaluation of the collection after Mc Ginley (1989)


Need for conservation measurements

As can be deduced from the following catalogue, the main problem is the taxonomic disorganization of the slide collection. Slides of one single species can be distributed in 10 different boxes.
I propose a complete integration of all slides in one single collection, sorted on family and genus level following the Viets catalogue (1987), or (on my opinion better:) sorted on genus level in alphabetical order. In any case, Sokolow's preps will be easily recogniseable from their characteristic labels. Therefore it is not necessary to separate them from the remaining material.
Further, I propose to integrate also all types into the general collection. A revision of the taxonomic status of all preparations labeled as "Type" is desireable. In many cases, the designation of lectotypes will be necessary.
During the reorganisation of the collection, all preps should be checked with regard to the quality of the imbedding fluid and eventual detaching labels.
 A. SLIDE COLLECTION (BOX 1-34)

1. "Hydrachna"

1 Hydrachna geographica,
H. sp.,
H. unisetata paludosa
2 Hygrobates calliger 11
H. fluviatilis 4
indet. 1
3 Hydryphantidae indet.
Limnesia maculata 5
L. undulata 1
L. fulgida 1
Arrenurus sp. 2
Neumania spinipes 1
Lebertia lineata 1
Euthyas truncata 1
Hygrobates calliger 1
H. trigonicus 1
Atractides spinipes 2
Piona sp. Ny 1
4 Hygrobates fluviatilis 3
H. calliger 4
H. nigromaculatus 2
H. sp. 4
5 Atractides amplexus 4
A. anomalus 2
Atractides ap. 4
6 Piona uncata 1
P. longipalpis 2
P. coccinea 2
P. rotunda 2
P. stjördalensis 1
Limnesia maculata 1
L. polonica 1
Lebertia saxonica 1
L. sp. 1
Arrenurus sp. 1
Arrenurus tubulator 1
Hygrobates cf. intricatus 1
2. "Piona"
1 Piona sp. Dn 18
P. coccinea 1
2 Piona coccinoides 14
3 Piona coccinoides 1
P. variabilis dispersa 1
P. coccinea 2
P. conglobata 1
P. sp. Dn 1
P. aff. nodatoides 2
P. carnea 5
4 Piona paucipora 20
5 Piona paucipora 16
6 Piona rotundoides 7
7 Piona paucipora 13
P. variabilis 1
P. sp. Dn 1
8 Piona sp. Dn 7
P. nodata 1
Forelia variegator 1
Hygrobates foreli? 1
3. "Eylais"
1 Eylais aff. krendowskii 1
E. aff. soari 1
2 E. aff. spinipons ? 1
E. aff. meridionalis 1
E. sp. 2
E. aff. crassipalpis 1
E. aff. setosa 1
3 E. aff. discreta 2
4 E. hamata 19
5 E. (aff.) soari 9
6 E. soari 8
E. aff. aculeata 1
7 E. (aff.) rimsky-korssakowi 4
8 E. koenikei 2
9 E. setosa 4
10 E. extendens 17
11 E. degenerata 4
12 E. (aff.) rimosa 15
13 E. triarcuata 4
14 E. ussuriensis 6
15 E. undulosa 3
16 E. tantilla 3
E. tantilliformis 2
17 E. mülleri 7
E. mutila 2
18 E. tullgreni 1
19 E. (aff.) mülleri 17
20 E. (aff.) mülleri 18
21 E. infundibulifera 3
4. "Piona"
1 P. conglobata 18
2 P. carnea 8
3 P. coccinea 15
4 P. rotunda 16
5 P. clavicornis 1
6 P. nodatoides 5
7 P. nodata 15
dito, 1 larva
8 P. variabilis 1
9 P. coccinea 15
10 P. uncata 7
11 P. trisetica 1
12 P. coccinea 1
P. stjördalensis 8
13 P. stjördalensis 15
14 P. stjördalensis 1
P. disparilis 1
15 P. coccinea occulta
16 P. longipalpis 6
17 P. variabilis 6
18 P. uncata 9
5. "Lebertia"
1 Lebertia indet.
(Dn, Lv, Ad. Pilo-) 15
2 dito 18
3 L. exuta 1
4 L. exuta behningi 1
5 L. exuta ocaensis 9
6 L. dubia 1
7 L. stackelbergi stackelbergi 1
8 L. porosa 12
9 L. caucasica 3
L. insignis 1
10 L. lineata 5
11 L. insignis 1
12 L. zernovi 4
L. aff. saxonica 1
13 L. densa 4
14 L. ziabuschinskii 3
15 L. (aff.) ignatowi 1
L. caucasica 1
L. saxonica 4
6. "Midea, Mideopsis, Acalyptonotus, Arrenurus, Neumania"
1 Neumania deltoides 2
N. vernalis 2
Dn indet. 1
2 N. limosa 1
3 N. spinipes 4
4 N. vernalis laminifera 1
N. aff. vernalis 1
5 Midea orbiculata 2
6 Arrenurus sp. 2
Megaluracarus sp. 1
Arrenurus bicuspidator 1
A. aff. cuspidator 2
A. latus 1
A. maculator 3
Sperchon thori 1
7 Arrenurus zachariae 2
A. latus 1
A. membranata 1
A. aff. truncatellus 1
A. neumani 3
A. robustus 1
A. crassicaudatus ? 1
A. absurdus 1 (1/1/0)
A. aff. tricuspidator 1
8 Neumania deltoides 3
9 N. (aff.) deltoides 2
10 N. (aff.) deltoides 1
N. callosa 2
N. sp. indet. 5
11 Arrenurus latus 1
12 A. sinuator 2
13 Mideopsis orbicularis 12
14-18 empty
7. "Hygrobates"
1 Hygrobates fluviatilis 18
2 dito 16
3 H. octoporus 5 (3/2/0)
4 H. fluviatilis 8
H. fluviatilis berlesei 2
5 H. nigromaculatus 8
6 dito 18
7 H. trigonicus 15
8 dito 5
H. sp. indet. 13
9 dito 17
H. fluviatilis 1
10 H. nigromaculatus 1
H. aff. foreli 1
H. sp. 9
11 dito 18
12 H. calliger 18
13 H. (aff.) fluviatilis
(var. berlesei) 17
14 H. octoporus 12
15 H. longiporus 14
16 dito 10
17 H. longipalpis 17
18 H. calliger 15
19 H. kirgizicus 3
H. trigonicus 1
H. sp. 4
20 H. foreli 4 (2/2/0)
21 H. (aff.) foreli 16
8. varia, single specimens:
1 terrestrial mites (among them Discopama orchestiidarum, det. Oudemans)
2 Hydrochoreutes krameri
Brachypoda versicolor
Soldanellonyx monardi
Porolohmanella violacea
Piona coccinea
Limnesia undulata
3 Eylais tullgreni
E. infundibulifera
Neobrachypoda ekmani
Mideopsis crassipes
Arrenurus latus
A. aff. tubulator
A. maculator
A. zachariasi
Parathyas thoracata
Piona Lv on Chironomus
Sperchon Lv on Simuliidae
4 Piona, Unionicola, Eylais indet.
9. "Piona, Hydryphantes, Hydrachna, Eylais" (with indication of slide numbers)
1 (1009-1020)
Hydrachna geographica 3
H. leegei 7
H. kisselowi n.sp. (cncelled, "piersigi") 3
H. globosa 2
H. processifera 4
H. ..lugti..[unleserl.] 1
H. sp. Dn 2
2 (987-1008)
H. sp. Dn 2
H. schneideri 1
H. conjecta 3
H. atrata (partly corr. "leegei") 4
H. scutata 1
H. crassipalpis 1
H. thoni 3
H. bimaculata 1
H. geographica 2
H. processifera 2
H. uniscutata 2
3 (965-986)
H. schneideri crassirostris 1
H. valida crassirostris 2
H. sp. 4
H. uniscutata lata 1
H. denudata 1
H. crassa 1
H. atrata 3
H. unidentata 1
H. unidentata pal[..] Thor 1
H. cruenta ("= thoni Piers.") 1
H. breviscuta [!] n. sp. 1
H. comosa palpalis 1
H. thoni 1
H. comosa 1
H. scutata ("= H. thoni") 1
H. schneideri 1
4 (946-963, 995, 1162)
H. uniscutata 2
H. goldfeldi 3
H. sp. 4
H. cruenta 1
H. conjecta 2
H. (aff.) scutata 1
H. schneideri 1
H. valida 1
H. skorikowi 1
H. valida crassirostris 1
H. schneideri crassirostris 2
H. atrata 1
5 (900-920, 933)
Hydryphantes ruber 7
H. ruber prolongata 2
H. octoporus 2
H. sp. 3
H. hellichi (cosinensis) 6
H. dispar 1
H. crassipalpis 1
H. flexuosus 1
6 (1030-1047)
Hydryphantes dispar 5
H. crassipalpis 1
H. bayeri 1
H. dröscheri 2
H. sp. 2
H. kungarensis n. sp. 2
H. planus 1
H. abnormis 1
7 (730-750, without 736, 744, 745, 749)
Eylais setosa 3
E. undulosa 3
E. mülleri 2
E. soari (partim 'anomalia - sp.?') 5
E. sp. 1
E.stagnaliformis 1
E. discreta 1
E. tantilla 1
E. (media Musselius) 6.6.21 '= tullgreni Thor' 1
8 (793-814)
Eylais sp. 22
9 (751-773, all russian specimens, collected about 1920)
Eylais tantilla "Type" 1
E. discreta stagnalis "Type" 1
E. rimosa "Type" 1
E. mutila "typica" 1
E. koenikei "Type" 1
E. tullgreni "Type" 1
E. spinipons "Type" 1
E. mutila "Type" 1
E. extendens "Type" 1
E. thienemanni 1
E. mülleri 2
E. rimosa 1
E. spinipons 1
E. n.sp./sp.n.? 4
10 (774-791, 792 E. undulosa partly destroyed, in loan Gerecke)
E. spinipons 5
E. koenikei 4
E. infundibulifra 8
E. undulosa 1
11 (834-356)
Eylais sp. 2
E. rimosa (1 "= nullipons") 14
E. extendens 7
12 (815-833)
Eylais sp. 18
13 (from here onwards, slides are no more sorted following their number sequence)
Piona coccinea occulta (old label "longicornis") 3
P. coccinea recurva (old label "longicornis") 1
P. longipalpis 1
P. rotunda 5
P. sp. 2
P. controversiosa (partim 'uncata controversiosa') 3
P. rotundoides 1
14 Piona variabilis dispersa 1
P. carnea 2
P. coccinea stjördalensis 1
P. coccinea coccinea 1
P. rotundoides 5
P. sp. 4
P. rotunda 5
P. uncata uncata 1
P. uncata controversiosa 1
P. nodata 1
P. conglobata conjugula 1
P. circularis 2
15 P. nodatoides n. sp. (27.5., 1.6.1921) 2
P. c. stjördalensis 1
P. rotunda 2
P. longicornis 2
P. gyrophora 1
P. nodata inflata 1
P. rotundoides 1
P. nodata lacerata 2
P. sp. 2
P. uncata 2
P. paucipora 1
P. variabilis dispersa 1
P. circularis 2
16 Piona sp. 2
P. disparilis 2
P. variabilis dispersa nov. var. 6
P. nodatoides n. sp. 1
P. coccinea 1
P. variabilis 4
P. longipalpis 1
P. conglobata conjugula 1
P. conglobata conglobata 1
P. rotunda 2
17 P. carnea 1
P. clavicornis 2
P. nodata 2
P. nodata lacerata nov. var. 2
P. nodata inflata nov. var. 1
P. nodatoides 5 (2 "n. sp.")
P. sp. 1
P. conglobata 1
P. variabilis 1
P. latigenitalia R. Marsh. (R. Marsh. leg., dried up) 1 F.
P. circularis 1
P. coccinea 1
P. rotunda 1
P. coccineoides 2
18 P. nodata 1
P. nodatoides n.sp. 1
P. uncata uncata 2
P. rotundoides 1
P. coccinea recurva 3
P. coccinea stjördalensis 1
P. coccinea coccinea 2
P. coccinea occulta 1
P. discrepans scutata nov. var. 1
P. conglobata 2
P. conglobata conjugula 2
P. circularis 1
P. coccineoides 1
P. rotunda 1
19 P. coccinea stjördalensis 3
P. obturbans 1
P. nodata 6
P. coccinea occulta 4
P. nodatoides 1
P. rotundoides 1
P. coccinea coccinea 4
P. coccinea hankensis n. var. 1
P. coccinea recurva 1
20 Eylais tullgreni 6
E. tantilla 1
E. mülleri 1
E. bisinuosa 3
E. sp. 1
E. ussuriensis (setosa uss.) 2
E. hamata 1
E. elliptica 1
E. triarcuata 1
E. tantilliformis 1
E. extendens 1
E. soari 1
E. variabilis 1
21 Hydryphantes affinis (n.sp.) 6
H. clypeatus 4
H. sp. 3
H. ruber prolongatus 2
H. planus 4
H. hellichi 2
22 Eylais sp. 1
E. bisinuosa parviseta 1
E. bisinuosa 6
E. hamata 1
E. shadini 1
E. degenerata 1
E. degenerata asiatica 3
E. tantilliformis n. sp. (8.6.21) 1
10. "Hygrobates Megapus Unionicola Protzia Acercus Neumania Pioninae: Huitfeldtia Hydrochoreutes Pionacercus"
(slippers not in numerical order)
13 (375-391)
Hydrochoreutes ungulatus 5
H. krameri 3
H. sp. 1
Pionacercus leuckarti 4
P. uncinatus 2
Huitfeldtia rectipes 2
2 (449-466)
Neumania limosa 2
N. (triangularis) = deltoides 3
N. callosa 4
N. ambigua "Type" 1
N. angulata n.sp. Type 466 1
2 preps without labels, Nrs 455, 459
7 (501-514, 953)
Acercus scurus 12
A. torris (partim "inflatus", cancelled)
A. sp. (n. sp.) 2
A. bullatus 2
Hygrobates sokolowi Ny. (5.8.1924 Shadin) 1
8 (484-500)
Acercus ornatus 3
A. (Pionopsis) lutescens 10
A. sp. 3
A. ensifer 2
3 (546-563)
Unionicola arcuata (asiatica) 3
U. japonensis 3
U. intermedia 3
U. gracilipalpis 2
U. setipes 3
U. rezvoi (n.sp.) 2
U. crassipes 1
U. sp. 2
4 (394-411)
Megapus nodipalpis robustus n.var. 4
M. nod. fonticolus 3
M. nod. nodipalpis 12
5 (564-583)
Megapus nodipalpis tivdiae 1
M. nod. var., var.II 6
M. nod. constrictus n. var. 6 - among them 576 F. "Cotype"
M. sp. indet. 4
M. gibberipalpis 1
10 (521-539)
Protzia caucasica n. sp. 7
P. indet. (Larva, Schadonoph.) 2
P. eximia 1
P. eximia? "Sok. et Viets det." 1
P. invalvaris, Harz, Kaltetalsbach 12.09.10
Calonyx (cancelled: "Protzia eximia? Viets det."), Harz Riefenbach 27.8.10 1 [= Protzia halberti!]
6 (535-545)
Calonyx sp. 1
C. cabardinicus n. sp. 2
Calonyx flagellum pauciacetabulata 3 - darunter 541 "Typus"
1 (463-483)
Neumania deltoides 3
N. triangularis 1
N. limosa 2
N. sp. 3
N. spinipes 3
N. vernalis 3
N. callosa 1
9 (412-430a)
Megapus ovalis 2
M. sp. 4
M.nodipalpis robustus 1
M. gibberipalpis 4
M. spinipes F. 1
M. spinipes caucasica n. var. 1
M. nodipalpis 2
M. tener 3
11 (430b-448)
Megapus sp. 5
M. arcuatus 3
M. rectipes n. sp. 1
M. gracilis n.sp. 1
M. issajewi n. sp. M Type! 1
M. nodipalpis constrictus 1
M. ovalis 1
N. nodipalpis nodipalpis 1
Neumanisa deltoides 1
12 (584-601)
Hygrobates trigonicus 7
H. fluviatilis 4
H. calliger 3 (2 slides with different labels, Lukin det.)
H. squamifer 1
H. japonicus 1
H. longipalpis Hermann 1
H. bucharicus n.sp. 1
14 (705-722)
Hygrobates longipalpis 10
H. naicus 2
H. nigromaculatus 2
H. trigonicus 2
H. foreli 2
H. sp. "Dictyobates" 1
15 (689-709, 862)
H. fluviatilis 2
H. sp. 1
H. trigonicus 1
H. calliger 3
H. longipalpis 1
H. sokolowi 2
H. sokolowi macrotuberculatus nov var. ("Type") 2
H. nigromaculatus 1
H. neutralis 1
16 (671-686)
H. (Rivobates) n. sp. Type F. 1
H. (Rivobates norvegicus 1
H. Mixobates uncatus 2
H. Mixobates processifer (Archangelsk) 1
H. nigromaculatus 1
H. fluviatilis 1
H. foreli 2
H. sokolowi (Oka 593 m 6.8.24) Ny. 1
Mesobates forcipatus F. 1
17 (651-670)
Hygrobates nigromaculatus 6
H. longipalpis
H. squamifer (partim "?") 11
H. trigonicus 2
18 (637-650)
H. naicus 4
H. fluviatilis 7
H. reticulatus imminutus (...[?] det.)
H. indet. 1
19 (618-636)
H. nigromaculatus 19 (6 "var. octoporus Dad.")
20 (602-617)
H. foreli 16
11. "1"
1 Hydrachna skorikowi skorikowi 1
H. uniscutata sinuata 1
H. Lv. attached to insect tergite 1
2 H. trilobata 2
3 H. comosa Dn 2
4 H. leegei 1
5 H. uniscutata aff. paludosa 2
6 H. aff. processifera 9
7 H. skorikowi skorikowi 4
8 H. globosa 3
H. crassipalpis 2
12. "4"
4 (1233-1298)
Pontarachna anellata n.sp. 1
P. pacifica pilosa n. var. 1
P. indet. 1
Nautarachna crassa F. 2
3 (1198, 1224-47)
egg clusters of: Hydrochoreutes ungulatus, Acercus lutescens, Piona longicornis (?), P. carnea, P. nodatoides, P. variabilis, P. longipalpis, Eylais sp., E. hamata
larvae indet.
Piona Ny.
1 (1179-1190)
Panisoides setipes 1
Thyopsis cancellata (arevalis) 3
Zschokkea oblonga 1
Panisus michaeli 6
Rhypicephales rossica, praeimag. Ixod. 1
2 (1285-1640 - numbers not in order)
Thermacarus thermobius Lv 1
Limnesia fulgida 3
L. undulata 2
L. sp. 1
L. maculata 2
Limnochares aquatica 3
Megapus sp. 2
Halacaridae sp. n. 1
5 (1261.1286)
Georgella sp. 2
Thyas barbigera 11
T. bruzelii 4
T. dirempta 1
Parathyas thoracata 1
Thermohydracarus thermalis Lv 1
6 (1196-1228)
Zschokkea oblonga 1
Sperchon setiger 1
Acercus lutescens Schad. 1
Limnochares aquatica Schad. 1
egg clusters of: Sperchon, Limnesia maculata, L. undulata, Neumania spnipes, Arrenurus neumani, Arrenurus sp., Acercus lutescens
7 (1219-1264)
Thyas pachystoma (1 inepta) 7
T. rivalis (1 colligera) 5
Euthyas truncata Dn 1
Georgella koenikei 2
Hydryphantes (Polyh.) sp. 1
Thyas, eggs with larvae 1
8 (1191-1635 - numbers not in order)
Oxus larvae 1
Oribatei 1
Larvae indet. 3
Diplodontus sp. 1
D. despiciens 2
Neumania spinipes Lv. 1
Piona longicornis Lv. 1
P. variabilis Lv. 1
Thyas sp. Lv. 1
Protzia sp. Lv. 1
Limnesia fulgida Lv. 1
Limnesia maculata Lv. 1
Limnochares aquatica 1
dito Lv. 1
13. "9"
1 Unionicola ypsilophora 6
U. intermedia 9
U. bonzi 2
indet. ? (not decipherable) 1
2 U. ypsilophora 2
U. zervoi [?] 3
3 U. crassipes 12
4 U. ypsilophora 9
U. indet. 2
5 Atractides nodipalpis constrictus 3
Megapus indet. 1
M. aff. nodipalpis robustus 6
M. aff. nodipalpis 4
6 Atractides spinirostris 4
7 A. aff. processifer F. 1
8 Mesobates forcipatus F. 1
9 Megapus ovalis 13
10 Megapus indet. 5
M. subasper 1
11 Torrenticola anomala M. 9
Torrenticola (=Atractides) [in reality Mideopsis orbicularis] 1
Atractides s. str. sp. 1
Atractides (Megapus) F. 1
Atractides s.str. sp. "nymphe" [F.!] 1
12 Atractides sp. [T. barsica-like] 4
Torrenticola amplexa [o.k.] 1
14. "10. Oxus Frontipoda Gnaphiscus"
1 Oxus ovalis 3
Gnaphiscus indet. 1
2 Oxus longisetus 1
3 Frontipoda musculus Dn 1
4 Gnaphiscus ekmani 4
15. "7. Sperchon Sperchonopsis Dartia"
1 Neumania (aff.) spinipes 7
N. deltoides 5
N. limosa 4
N. sp. 3
2 Sperchon glandulosus cubanicus 6
S. plumifer 1
S. clupeifer 1
S. indet. 3
Hygrobates indet. 2
Lebertia (Pilo) indet. 1
3 Sperchon glandulosus 17
4 S. clupeifer 5
S. setiger 1
5 S. papillosus 4
6 S. elegans 4
7 S. squamosus 1
8 S. thori 3
S. undulosus 1
S. indet. 6
9 S. undulosus 5
10 Sperchonopsis verrucosa 2
16. "11. Hydrodroma Thyopsis Thyas"
1 Thyopsis cancellata 3
2 Thyas dirempta 1
T. pachystoma 2
3 "Diplodontus (Eupatra?) sp." [= Huitfeldtia!]
4 Thyas barbigera 4
5 -empty-
6 Hydrodroma (Diplodontus) despiciens 8
"Diplodontus (?) nymphe" [= Pioninae!]
7 Hydrodroma (Diplodontus) despiciens 17
8 dito 20
17. "12. Hydryphantes"
1 Hydryphantes affinis 1
2 H. clypeatus 2
3 H. crassipalpis 1
4 H. octoporus 3
5 H. indet. 4
6 H. ruber 14
7 H. planus 14
H. clypeatus 1
8 H. aff. hellichi 1
9 H. flexuosus 4
Lebertia sp. 1
18. "14. Hydrochoreutes Pionopsis Tiphys Huitfeldtia Forelia Aturus Brachypoda"
1 Forelia liliacea 5
F. sp. 2
2 Hydrochoreutes ungulatus 2
H. krameri 1
3 Tiphys scaurus 3
T. sp. 1
4 T. ornatus 11
5 Acercus ensifer 1
6 Acercus ? F. 1
Tiphys sp. n. (?) M. 1
7 Pionopsis lutescens 13
8 Aturus scaber 2
A. intermedius 2
9 Brachypoda versicolor 10
B. sp. Lv 3
10 Huitfeldtia rectipes 8
19. "15. Ljania Limnesia"
1 Limnesia polonica? 1
2 -empty-
3 Ljania aff. bipapillata 1
4 -empty-
5 Limnesia sp. 10
L. undulata 3
L. aff. connata 1
6 L. maculata 15
L. maculata angustata 3
7 L. maculata 7
8 L. koenikei 4
9 L. undulata 17
10 dito 9
11 dito 16
12 L. fulgida 3
20. "Mongolia"
1 Parasoldanellonyx sop. 4
P. baicalensis 8
2 P. sp. 5
P. baicalensis 9
3 Eylais aff. [not decipherable] 1
E. infundibulifera mongoliensis ssp. n. 2
E. sp. 1
Hydrachna conjecta 1
Hydryphantes dröscheri 2
Hydrodroma despiciens 1
Sperchon sp. 2
S. glandulosus 4
S. tridentatus 2
4 Lebertia jenissajensis 2
L. lepnevae 15
L. beleensis [?] 1
5 L. ussuriensis 3
L. densa 7
L. longissima 8
6 L. ignatovi 8
L. acuta 1
L. sp. 9
7 Oxus angustipositus 1
O. ekmani (also Frontipoda, Gnaphiscus) 3
O. affinis 1
Limnesia fulgida 1
L. undulata
8 Hygrobates octoporus 7
H. foreli 8
9 H. sp. 6
Unionicola crassipes 3
Feltria rubra 2
F. (aff.) minuta 2
Tiphys bullatus 1
Pionopsis lutescens 1
Piona uncata 1
P. rotunda 2
Arrenurus sp. 1
10 -empty-
21. Dsungaria [?]
1-3 -empty-
4 Piona coccinea 1
Arrenurus sp. 3 (1/2/0)
Hydracarina Lv. 1
Halacarae 1
22. "Central Asia Kuzmangalieva leg."
1 Lebertia sp. 3
Sperchon glandulosus ("var.") 7
Feltriidae, Feltria 2
Atractides nodipalpis var.? 1
Feltria minuta 1
Thyas aff. rivalis 1
Sperchon sp. 3
Feltria rubra 2
2 Sperchon sp. 6
Atractides nodipalpis 1
Sperchon squamosus 3
Aturus sp. 2
Feltria minuta 1
F. sp. 1
Lebertia sp. 1
"Partnunia sp. " [Protziella!] 2 (1/1/0)
Atractides sp. 1
- all remaining slippers empty -
23. "Different" (cancelled: Oribatida)
only one slide: Unionicola intermedia 1
24. Kirgisia, Issuk-Kul E shore, River Mun
1, 2 -empty-
3 Sperchon glandulosus cubanicus 7
S. sp. (adults + larvae) 3
4 Hygrobates aff. foreli 2
Megapus nodipalpis fonticolus 9
5 Lebertia (aff.) lineata 6
L. rivulorum 3
L. (aff.) tuberosa 4
L. glabra 3
L. sp. 1
6 Kongsbergia (aff.) materna 6
Aturus duplex 1
larvae indet. 4
Feltria minuta 7
7 Sperchon glandulosus (cubanicus) 9
larvae indet. 2
Sperchon sp. 4
8 Sperchon undulosus /aff. clupeifer 4
S. glandulosus 2
S. sp. 2
Atractides nodipalpis fonticolus 2
A. sp. 1
Feltria minuta 1
25. "Type collection" (species name is followed by slide number[s] and eventual additional indications; in general, if several slide numbers are given, they probably represent syntypes. * = not designated as type by Sokolow)
1 Lebertia exuta okaensis 347
L. tuberosa Kaukasus 193*
L. alonensis 123
L. balcarica 63
L. sutschanika 62 W.
L. acuta 56
L. tschernowskii 49
L. parallelepipeda 45
L. densa aberrans 43
L. asiatica teletzkensis 233*
2 Hydryphantes longicornis 1/638 W.
H. affinis "182" [locality number?] 1847
H. sp. 224, 237 [locality numbers?] *
Megapus sp. 209, 207, 276, 237 [locality numbers?] *
Hygrobates uncatus 674
Lebertia gibberipalpis 1859
L. hissarica 1868, 1858, 1848, 1841
L. zernovi 1844, 1857
3 Unionicola setipes 549
Megapus nodipalpis constrictus 571
Hygrobates bituberosus 593
H. diversiporus 672 (1 loaned to Gerecke)
Mesobates longipes 676
Hygrobates uncatus 683
H. intricatus 687
H. kirgizicus 694, 695
Panisus thori devdorakensis (loaned to Gerecke)
Hydryphantes fonticolus (loaned to Gerecke)
Eylais tantilliformis 757
E. rimsky-korssakowi 760, 761
E. setosa goldfeldi 767
E. setosa ussuriensis 772
Hydrarachna kisselewi 1027
Piona coccinea hankensis 925
4 Lebertia stackelbergi 310
L. beleensis 314
L. caucasia 319 F., 331 Dn
L. lepnevae 343
L. pachypalpis 351 ("Type IV")
Megapus nodipalpis robustus 397 F., 392 M.
M. sansoni 422 M.
M. gracilis 430 ("Type N. IV") F.
M. gassowskii 435 F.
M. odarkensis 439 F.
M. manensis 441 F.
M. manensis rotundus 445 F.
Neumania angulata 467
N. setipalpis 471
N. distans 471 [same slide!]
Calonyx aff. cabardinicus Schadonophan 540 *
5 Lebertia asiatica ralitzkensis 78
L. affinis 65
L. acuta 57, 66
L. shadini 54
L. incurvata F. 47
L. altaica M. 47 [same slide]
L. tschernowskii 46
L. parallelepipeda 40
L. dubiaeformis 38
L. altaica 41
L. jenissejensis 339
L. ignatowi 82
L. ussuriensis 87
L. pireschnikowi 226
L. caucasia cubanica 137
L. altaica (=densa?) 215
L. longissima F. 249, M. 252
L. stackelbergi saxicola 272
L. stackelbergi 305
6 Oxus magnus 1617
Copidognathus derjugini 1639 F., 1641 M.F., 1649 Dn
C. gurjanowae 1687 Lv., 1689 N I
C. lamelliger 1688 NII
Sperchon tarnogradskii 1574
S. minutiporus 1513
S. tridentatus 1526
Rhombognathus seahami rhomboidea 1695
R. denticulatus 1696
R. terminalis 1701
Halacarus mollis 1710
H. pulcher 1718
H. crassidens 1732 NyII, 1738 M.
Agaue alberti caraensis 1741
26. "Lake Baikal" - partly continuation of the type collection!
1 [not decipherable] Lobohalacarus pasgatum [?]
Hydrachna processifera paucipora 1021
Atractides turcestanicus 1863 *
Piona gyrophora (cancelled: azientatis nov sp.) 1127
Pseudosoldanellonyx lohmanelloides Holotype, 5 paratypes
Stigothrombium vermiforme 2 specimens without nr. (8.6.65, 26.7.66)
Lobohalacarus bucharensis Type, Ny.I, Lv., no nr.
L. sp. indet. 1 sp. *
Baicalacarus vermiformis n.sp. n.gen. MM. FF. Dn, 5 prep without nr.
2 Hydrarachna atrata 1192
Hydryphantes? 1194 * no collecting site
Unionicola 1195 *
...Atractides (eggs?) 1197 *
"Hypopus" 1199 *
..Hydrachnellae.. 1201 *
Hydrochoreutes krameri -unleserl.- Schadonophan 1202 *
Thyas barbigera Viets aberr. 1203 *
3 Agauopsis robusta 2 *
Agaue sp. 1 Antarktis 1956 *
Agaue sp. 2 Antarktis 1956 2 preps. *
Halacarus crassidens Antarktis 1956 *
Agaue tenuirostris 4 preps
Bathyhalacarus quadricornis 7 prep. * - but below the (new) labels an original text is visible, with the indication "Paratype" in one specimen. This could be the type series with the designation of the holotype cancelled or fewly visible
4 Parasoldanellonyx parviscutatus 6 preps *
Feltria sp. 1 *
F. minuta 1 *
5 Parasoldanellonyx baicalensis 9
P. sp. 1 *
Soldanellonyx chappuisi 1
6 Parasoldanellonyx baicalensis 9
P. sp. 3
7 Dartia emarginata 1611
Agaue alberti orientalis 1743
Agaue alberti caraensis 1742
Agauopsis robusta 1751 NyII, 1761 NyI
Tadjicothyas connexa 1861
Pontarachna anellata 1296
Rhombognathus aculeatus 1691
8 Thermacarus thermobius F., 1283, 1284 (legs); M. 1291, 1287 (legs)
Rutripalpus limicola F. 1289, 1288
Pontarachna pacifica pilosa 1292
Arrhenurus bucharicus 1308
A. wereschtschagini 1328
A. quadrimaculatus 1344
A. daubinensis 1348
A. ussuriensis 1354
Kondia karelica 1193
Albia stationis orientalis 1410 F.
Aturus complexus 1419
Oxus magnus 1447 Dn
Atractides ussuriensis 1554 "Type N.III" F.
9 Hydryphantes? 1 *
27. Kasachstan, Tien schan, Pamir
1 Forelia liliacea 5
Hydryphantes flexuosus 2
Soldanellonyx chappuisi 1
Limnesia undulata 1
Hygrobates aff. kirgisicus 1
Sperchon clupeifer 1
Eylais rimosa 1
Hydrachna skorikowi 1
2 Trombiidae 2
Gamasidae 1
"Torrenticola elliptica" ["Rusetria"-like!] 0/3/2
Lebertia affinis 2
L. sp. 2
Sperchon glandulosus ssp. 1
3 Dartia borneri 3
D. sp. 3
D. longipora 1 Dn
Calonyx cabardinicus F. 1
Panisus sp. 1
Kongsbergia sp. Dn. 1
Axonopsidae 1
4 Soldanellonyx chappuisi 3
Parasoldanellonyx pauciscutatus 1
5 indet. 3
Halacaridae 1
Lobohalacarus weberi 1
Soldanellonyx chappuisi 14
6 Sperchon indet.
Feltria (?) minuta 1
Piona nodata 2
Limnesia connata 1
L. sp. 1
Piona sp. 1
7 Sperchon sp. 10
Lebertia sp. 1
Hygrobates aff. kirgisicus 1
"Torrenticola" [really Kongsbergia!] 6
Megapus F. 1
Piona Dn 1
8 Sperchon sp. 1
Hygrobates longiporus 1
9 Sperchon (teils?) 12
Hygrobates sp. 1
H. longiporus 6
Piona nodata 1
28. Kisil-Kumil
1 Arrenurus globator 1
Porohalacarus 1
Acari 1
2 Halacaridae 1
Lobohalacarus 2
Dartia sp. Dn 1
D. borneri 2
Lebertia sp. 2
Pionidae/Piona Dn 2
29. Collections from russian lakes 1978, 1979, 1982
23 slippers with 18 slides each, not sorted systematically. Species list:
Eylais extendens
Zschokkea oblonga
Thyas sp.
T. aff. rivalis
Hydrodroma despiciens
Lebertia lepnevae
L. longissima
L. dubiaeformis
L. insignis
L. aff. ignatovi
L. porosa
L. ienissiensis
L. indet. (much!)
Oxus ekmani
Gnaphiscus aff. affinis
G. setosus
Frontipoda sp.
F. musculus
Limnesia koenikei
L. undulata
L. maculata
L. polonica
Hygrobates foreli
H. squamifer
H. octoporus
H. fluviatilis
H. nigromaculatus
H. sp.
Feltria minuta
F. rubra
Neumania angulata
Unionicola sp.
Tiphys bullatus
Huitfeldtia rectipes
Pionacercus leuckarti
Forelia liliacea
Piona rotundoides
P. rotunda
P. uncata
P. coccinea
P. coccinoides
P. conglobata
P. sp.
Hydrochoreutes krameri
Brachypoda versicolor
Neobrachypoda ekmani
Acalyptonotus violaceus
Midea orbiculata
Mideopsis crassipes
M. orbicularis
Arrenurus mülleri
A. ussuriensis
A. distinctus
A. sp.
Hydrachnellae Lv indet.
Halacaridae indet.
Porolohmanella violacea
Soldanellonyx parviscutatus
S. monodi
S. chappuisi
Porohalacarus alpinus
Gamasidae
30. praeimaginal stages [?] - label inside: "Kasach. SSR..."
1 eggs, larvae (+/- engorged), protonymphs indet, 14 slides
2 dito, 16 slides
3 Arrenurus sp. Dn 1
Sperchon sp. Lv 1
Arrenurus sp. F. 1
4 Hygrobates sp. 1
Atractides sp. M. 1
Feltria sp. Dn 1
Piona sp. F. 1
Larvae indet. 8
Acari indet. 4
5 Larvae indet. 3
protonymphs indet. 2
6 Hydracarina eggs, larvae indet. 2
terr. mites 8
Arrenurus indet. Lv. 1
Lebertia indet. Lv
Sperchon indet. Lv. Dn 2
Sperchonopsis Lv 3
7 indet Dn 1
Piona Lv. (?) 2
Arrenurus Lv. 2
Sperchon? Lv. 1
Porolohmanella violacea 1
Stechmückenlarve 1
8 Sperchon Lv. attached to Wilhelmia mediterranea (Turkmen.) 2
Trombidiformes 2
9 Landmilben indet. 9
10 dito 1
Arrenurus sp F. 1
Piona sp. F. 1
Feltria sp. F. 1
Hydrochoreutes sp. F.
11 Hygrobates sp. Lv.
Unionicola intermedia F. from Anodonta piscinalis 1
cf. Unionicola Lv. from Unio pictorum 3
12 Arrenurus sp. Lv.
13 Eylais sp. Ad. 18
14 Sperchon Lv. 1
Nymphe indet. 2
Rhizopoda 1
Cheyleitus eruditus 1
Leptus sp. 1
31. "Hydracarina collection Sokolow 7 Halacaridae"
1 Halacaridae indet. 1
Halacarus balticus 1 Type
Halacarus alpinus 2
Caspihalacarus hyrcanus 2
Halacarus basteri 4
2 Halacarus (?) hexacanthus 7
H. crassidens 8
H. basteri (affinis) 2
H. mollis 1 Type
H. sp. 1
Halacarellus longipes 1 Type
H. sp. 1
3 Copidognathus derjugini 9
sp. n. 3
Copidognathus n. sp.? 1
C. latus 1 Type
C. oxianus 2
C. uschakowi 2
C. gutjanowae 1
4 C. gorbunovi F. n.sp.? 1
5 C. derjugini 3
C. oxianus 4
C. gurjanowae (major) 12 (Type)
C. elongatus F. 1 Type
C. gracilipalpis n. sp. var. 1
6 Rhombognathopsis seahami 2
R. contectus (?) 3
R. nudus 1
R. levis 2
7 Agaue chevreuxi 1
Lohmanella falcata 1
Porolohmanella violacea 2 (1 Schlesien, Viets det.)
8 Agauopsis robusta 10
A. brevipalpis (pontica) 3
9 indet. (partim Soldanellonyx?) 5
Soldanellonyx sp. 2
S. monardi 5
S. chappuisi 7
Parasoldanellonyx parviscutatus 1
32. "Hydracarina Kollektion Sokolow 6, varia
1 Forelia ligulifera 2
F. variegator 1
F. liliacea
F. parmata 2
F. parmata scuifera 1 Type
Dartia longipora 1
Atractides [Torr.] sp. 2
Gnaphiscus ekmani 3 (1 "Type")
G. intermedius 3 (2 "Type")
Megapus eggs 1
2 Oxus (?) quadriporus 4
O. ovalis 5
O. angustipositus 4
O anostomium [? not decipherable]
O. longisetus 2
O. nodigerus 3
O. sp. 2
Forelia liliacea 1
3 Sperchon glandulosus cubanicus 3 (1 Type)
S. gland. thienemanni 6
S. glandulosus 4
S. sp. 2
S. squamosus 1
S. clupeifer 1
4 S. glandulosus thienemanni 6
S. plumifer 1
S. glandulosus cubanicus 1
S. glandulosus 1
S. denticulatus 2
S. brevirostris 1
Forelia curvipalpis 1
F. parmata (mutata, scutigera) 3
F. liliacea 2
F. sp. 1
5 Sperchon plumifer 19 (partim Lukin det.)
S. sp. 1
S. resupinus 1
6 Sperchon clupeifer 4
S. squamosus 5
S. setiger 1
S. resupinus 1
S. denticulatus "F." [M.!] 1
Atractides ellipticus (Ussuri) F. 2
A. amplexus 2
A. connexus 1
A. sandalensis 2 (1 only palps, dried)
7 Sperchon minutiporus 1
S. plumifer 4
S. tarnogradskii 1
Pseudosperchon verrucosus (caucasicus) 4
Sperchon glandulosus 1
S. gland. thienemanni 1
S. gland. cubanicus 1
S clupeifer 1
S. squamosus 2
S. papillosus 1
S. turgidus 2
S. setiger 1
S. sp. 3
8 Sperchon sp. 5
S. tridentatus 2
S. (?) setiger 1
S. plumifer 1
S. papillosus 1
S. denticulatus 1
S. squamosus 5
S. clupeifer 2
Pseudosperchon verrucosus 1
9 Sperchon glandulosus 4
Sp. gland. thienemanni 2
S. denticulatus 1
S. undulosus 1
Atractides ussuriensis 2
A. connexus 1
A. ellipticus 2
A. sp. 2
A. amplexus 2
10 Oxus ovalis
Dartia longipora 1
33. "collection Sokolow 5"
1 Arrenurus tricuspidator M.F. 5
A. caudatus W. 3
A. wereschtschagini M. 1
A. bicuspidator M.F. 2
A. crassicaudatus M. 2
A. sinuator M. 1
A. albator M. 1
A. compactus M. 1
A. sp. F. 3
A. neumanioides F. 1
2 A. albator F. 1
A. daubikensis F. 1
A. nassonowi F.
A. forcipatus M. 1
A. innominatus F. 1
A. soochowensis Marsh., USSR det Sokolow, coll. 7.7.27 M. 1
A. sp. M.F. 2
A. crassipetiolatus W. 1
A. maculator F. 1
A. karelicus M. 1
A. sinuator F. 1
A. affinis ? 1
A. mülleri M. 1
A. distinctus Marsh. F. 1 Cotype
3 A. caudatus F. 1
A. globator F. 1
A. sp. M.F.Dn 6
A. cuspidator F. 1
A. claviger F. 1
A. batillifer M.F. 2
A. bisulcicodulus M. 1
A. forpicatus F. 1
A. affinis F. 1
4 Brachypoda versicolor 4
Xystonotus willmanni 1
Neobrachypoda sp. Lv 1
N. ekmani 1
Axonopsis elongata F. 1 Type
5 Arrenurus (?) neumani F. 3
Brachypoda versicolor 1
Aturus sp. 2
A. ussuriensis F. 1 Type
A. natangensis 3
A. scaber 3
A. latus F. 1 Type
6 Mideopsis orbicularis 8
M. crassipes 2
Midea orbiculata 2
Kongsbergia materna 2
Acalyptonotus violaceus 1
Arrenurus distinctus M. 1 Cotype
7 Feltria rubra 6
F. minuta 2
F. sp. Lv 1
8 Acalyptonotus violaceus 1
Limnesia sp. M.F.Dn 5
L. undulata 5
9 L. fulgida 1
L. undulata 2
L. koenikei 2
L. maculata angustata F. 1 Type
L. maculata 2
L. connata 2
L. sp. 7
34. "Lebertia Teutonia"
1 Lebertia (Pilo) indet. 12
L. (Pilo) "latigenital" 3
L. (Pilo) n.sp. 1 "Type" (no name, Nowaja Semlja 29.8.24)
L. porosa 1
L. (Neol.) indet. 1
L. (Hexa) minutipora 1 Type
Hygrobates Lv. 1
2 Lebertia (Pilo) indet. 10
L. indet. 5
L. diabuschinskii (?) 1
L. porosa 3
3 L. rufipes reticulata 1
L. porosa 4
L. sp. 1
L. (Pilo) sp. 2
L. inaequalis 1
L. caucasica 1
L. insignis 1
L. stackelbergi saxicola 1
L. exuta okaensis 1
L. lineata 1
L. lepnevae 2
L. beleensis 1
4 L. stigmatifera 14
L. sp. 3
L. dubia 2
L. marginata 1
L. sefvei 1
5 L. schmidtii 8
L asiatica teletzkensis (?) 2
6 L. fimbriata 5
L. sp. 3
L. acuta 2 (1 Type)
L. rufipes reticulata 1
L. ignatowi 1
L. stackelbergi saxicola
L. caucasica cubanica 1
L. lineata 1
L. tuberosa 1
7 L. lineata 1
L. minutipalpis 4
L. gladiator 10
L. rufipes 1
L. rufipes reticulata 2
L. rufipes zachariasi 2
L. rivulorum 2
L. sparsicapillata 1
L. dubia 1
L. ussuriensis 1
8 L. porosa 16
L. caucasica 1
9 L. riabuschinskii 1
L. stackelbergi 3
L. stack. saxicola 15
L. caucasica 2
L. insignis 1
10 L. asiatica teletzkanini 1
L. lineata 5
L. longissima 1
L. porosa 1
L. sp. 2
11 L. riabuschinskii 13 (2 "Type", but not from coll. Thor)
L. porosa 1
L. stackelbergi 1
L. stack. saxicola 2
L. (Pilo) n.sp. aff. stackelb. (no name) 1
12 L. korbuensis 1 Type
L. inaequalis 2
L. riabuschinskii 3
L. lepnevae 3
L. exuta okaensis 3
L. saxonica 2
L. porosa 1
L. griebi ("nov. nom. pro aberrans") 2
13 L. lineata 19
14 L. ignatowi 1
L. dubiaeformis 5
L. sp. 2
L. densa 6
L. asiatica teletzkensis 1
L. lepnevae 1
L. inaequalis 1
15 L. sparsicapillata 1
L. sp. 5
L. tuberosa (1 slide Tirol Viets) 10
L. lineata 1
16 L. fimbriata 1
L. ussuriensis 15 (1 Type)
L. densa 1
17 L. stackelbergi 2
L. porosa 10
L. insignis 1
L. sp. 1
L. n. sp. aff. okaensis 1
L. schmidtii 1
L. caucasica cubanica
18 L. insignis 15
L. sp. 1
L. porosa saxicola 1
19 L. densa 15
L. dubiaeformis 4
L. densa altaica 1
20 Teutonia intermedia 3
T. subalpina 4
T. sp. 2
T. primaria 5
 B. VIAL COLLECTION (GEOGRAPHIC/SYSTEMATIC PART)
 
GEOGRAPHIC PART:
In view of limitations in time, it was not possible to make a complete inventory of this part of the collection, especially because numerous glass tubes are not labeled with species names. In these cases, the taxonomic identity of the contents can be cleared only recurring from numbers on the labels to Sokolow's original lists. The following list gives a general idea on the dimension and composition of the material. Whenever it was possible, genus names are given. "no tax." means: no taxonomic labels in the vials (but probably determined). Numbers refer to the number of jars present. These jars may contain one to many glass vials each with one to many mite specimens. Only occasionally mention is made to the number of vials (or specimens) contained in a jar.

1.
Lituanian/Kaliningradsk SSR: no tax. 2, Eylais 1, Arrenurus 1, Torrenticola 3, Lebertia 1, Megapus 1

2.
Finland: no tax. 2
Aleksandrovskoje: 1
Leningradskaja: 24 jars, mostly no tax., Acercus, Sperchon, Thyas, Panisus, Megapus; 1 jar Lake Ladoga with species labels.

3.
Pawlowsk: Eylais (exclusively?) 1
Melinia Ruhen, Nevskaia: no tax. 8
Otradnoe: no tax. 7
Peterhof: 14 jars, very much specimens, one jar with genus labels

4.
Ropwa: no tax. 2
Roshinskij: no tax. 1
Lushskij: no tax. 9
Toksovo: no tax. 2 (one with very much specimens)

5.
Tshaynoye Lake: no tax: 3 (very much specimens); Piona coccinea, P. stjördalensis, Forelia liliacea 1; Limnesia/Oxus 1
Tshudskoe Lake: no tax. 2
Oneshskoe Lake: no tax. 2
Karelia: no tax. 13; Lebertia 1; Arrenurus 3; Hydrochoreutes 1; Hydrodroma/Hydrochoreutes 1; Piona intermedia/Unionicola crassipes 1; Piona 1

6.
Big. Seg. Tyamju, Konch, Umb, Sandal Lakes: Arrenurus, Eylais 1; Konskov [...] very much specimens 1; large egg masses 1; Mesobates 1; Lebertia sp. 1; no tax. 6.
Petrosawodskaia 1968: no tax. (indet.?) 2
Murmanskaia: Hydracarina indet. 1; no tax. 1; Lebertia ny. 2

7.
Archangelskaia: no tax. 2
Yarkutskaia SSR: no tax. 3 (1925-1933/34), Sperchon Lv. from Simuliid pupae 1
Komia SSR: Lebertia 2; Limnochares/Eylais 1; Limnesia/Piona 1; no tax. 11
Reka Pechora: Atratides nodipalpis tividanus and other species 1; no tax. 2

8. Chentr
Witebskaia: no tax.3
Wladmirskaia: no tax. 1
Woronedshskaia: no tax. 1
Novgorodskaia: no tax. 1
Kaliningradskaia: no tax. 1
Kaludshskaia: no tax. 3

9.
Kurskaia: no tax. 4 (one of them with very much specimens 1935)
Moskovskaja/Rjasanskaia: Limnesia 1; Hydryphantes/Eylais 1; Lv. gen. sp. 1; Eylais/Hydrachna 1; Arrenurus, Unionicola, Acercus (an others?) 1; no tax. 6, some of them very rich
Smolenskaia: no tax. 2 (each with only 1 vial)
Jaroslawskaia: no tax. 2
Permskaia: no tax. 1935 Sokolow 2

10.
Verchnjeje: det. species 1; soil arthropods 1
Srednjeje: Eylais 1; Lebertia etc. 3; no tax. 4
Nishnjeje: no tax. 2
Dnjepr: unsorted sample? 1

11. Ukraina ?
Kiewskaia: no tax. 3
Rostowskaia: no tax. 3 (few)
Charkowskaja: no tax. 1
Gornoaltanjskaia: div. Taxa, det. on genus level 1; no tax. 3 (with 1 vial each)

12. Srednaja Asia
Usbek. SSR: Hydrachna 1; Arrenurus, Limnesia 1; Arrenurus 1; Limnesia 1; Unionicola 1; Arrenurus 1; Protzia 1; Torrenticola 1; Eylais/Piona? 1; Unionicola crassipes, Neumania triangularis, Piona nodata var. nov. 1; no tax. 15 (some of them very rich)
Tadjik SSR: no tax. 5
Turkmen. SSR: Diplodontus despiciens 1; no tax. 2

13.
Kirgiskaia SSR: Protzia 1; Megapus 1; Partnunia 1; Feltria 1; Kongsbergia 1; Atractides 1; Limnesia 1; Neumanis 1; Hydracar.Lv 1; Hygrobates 1; Rivobates 1; Unionicola 1; Eylais 2, Arrenurus 1; Forelia 1; Eylais rimosa 1; Forelia liliacea 1; Piona 1; Sperchon 1; Acarina 1; Lebertia 1; no tax. 16

14.
Usbekistan (Tschatkan, Samarkand, ..): Dartia borneri 1; Hydrodroma 1; Hygrobates 2; Thyas 1; Sperchonopsis verrucosa 1; Oxus 1; Arrenurus 3; Sperchon 2; Lebertia 1; Megapus 1; Unionicola 1; no tax. 1
Bassin Kora-Darbi 1946: Torrenticola ca. 10; Panisus 1; no tax. 1
Pamir & Tadjikistan 1948, 1959: Lebertia 1; Protzia? 1; Eylais 1; Piona 1; Acaria indet. 1; Hydracar. Lv 1; no tax. 2; Lebertia 1; Torrenticola 1; Mesobates 1; Trobidiidae 1; Hygrobates 1; Feltria 1
Tien-schan 1947, 1960, 1961, 1966: Dartia 1; Panisus 1; Calonyx 1; Hygrobates 1; Lebertia 2; Atractides (Megapus) 2; "Acaria" 2; Sperchon 1; Torrenticola 2; Soldanellonyx chappuisi 1; Odonata parasitized; Piona 1; Limnesia 1; no tax. 3

15.
Kasachskaia SSR: Sperchon (e.e. squamosus) 1; Lebertia 2; Aturus 1; Limnesia Dn 1; Feltria 1; no tax. 6 (two large jars 1950, 1967)
Kaukasus: Diplodontus despiciens 1; Dytiscus parasitized 1; Thyas 1; Arrenurus 1; no tax. coll 1905 [!]; numerous specimens, labelled on species level 1; no tax., "Acarina" 11
Armenia: det. Sokolow, labelled on species level 1; no tax. 3 (p.p. 1950)
Azerbeidshan: Eylais 1969/70 1; Georgella 1; no tax. (until 1973) 7

16.
Sever (N): Lebertia 1
Ural: lentic water species det. Sokolow 1949 1; no tax. 4, 1 very rich 1953
Ob: no tax. 3 (alltogether ca. 10 specimens)
Tschuseijkolima: no tax. 2 (each with 1 vial); Hygrobates nigromaculatus, H. octoporus, Lebertia porosa, L. sp. 1
Lena: no tax. 1 (3 vials)

17.
Lake Baikal: no tax 8 (4 1966/67), few specimens
Brachskoje Borochranilishie: no tax., many specimens 1968 2
Ussuri River: Unionicola bonzi, Arrenurus sp.?, Piona sp. 1; no tax. (1930ies) 4

18.
Primrskiji: Lebertia 1953-1960, 2 (many specimens); no tax. 2 (1927, 1975); 'indet.' 1
Chadarovskiji: indet. 1971 1
Amur River: no tax. 4 (few vials 1933, 1936, 1947, 1959)
Kamtschatka: Piona, 1 vial with a remark concerning S.Thor; "Kleshtshi" 1961, no tax., very rich 1; 1926 no tax., very rich 4; no tax., few specimens 2

19.
Mongolskaia N.R. (most material det. 1971!): Sperchon 1960 1; Lebertia longissima 1; Frontipoda setosa 1, Lebertia lepnevae 1, Piona rotunda 1, Frontipoda setosa ekmani 1; Lebertia sp. 1; Lebertia densa 1; Hygrobates octoporus 1; Hydrachna conjecta 1; no tax. (few specimens) 2
Kichanj: no tax. 1957 1
Persia: no tax. 1923 1;
Germania: Danzig Seligo coll. 1935 no tax. 1

- 20./22. make part of the systematic collection!-

22.
Beloje more: Halacarus (Halacarellus) 2; Hydrachnellae 1; Halacaridae 2; no tax. 8
Barendsovo more: Hydracarina 1; Halacaridae 1; no tax. 4
Beringovo more: Halacaridae 1; no tax. 1
Luchma "Tulvilucht" [??]: no tax. 1930ies 1
Kotshanuori 1930: no tax. 1

23.
Novaja Semlja: Lebertia/Piona 1924 1; no tax. 1920/30ies 11
Ochotskoje more: no tax. 2
Sachalin: no tax. 1946 1
Sredisemioje more: no tax. 1957 1
Tichiji kean (Kurilbskije o-ba): no tax. 1947/66/71 3
Uernoe more: no tax. 6; Halacaridae 1
Kaspijskoe more: no tax. 10; Halacaridae 1934/37 2; Halacaridae 1983 1
Antarktika: Halacarus basteri 1; Hydracarina 1932 a; no tax. or "Halacaridae" 22

without number. Maunas b rabome" [?]: Arrenurus 1; Lohmanella falcata 1; Gnaphiscus ekmani 1; Stone with mite eggs [?]; Benarcus griseus Cuba IV 1930 "Consolation del Sur" 1; no tax. 19
 

B. SYSTEMATIC PART
I. Halacaridae, in drawers belonging to the geographic collection

20. Limnohalacaridae:
Soldanellonyx monardi, chappuisi
Parasoldanellonyx baicalensis, parviscutatus
Pseudosoldanellonyx lohmanelloides
21. Halacaridae
Halacarus bakeris
Rhombognathopsis seahami
Agauopsis brevipalpis pontica
Caspihalacarus hyrcanus
Halacarus hexacanthus
Rhombognathides nudus contectus
Copidognathus oxianus
25. Halacaridae cont.
Halacarus balticus
Bathyhalacarus quadricornis
Copidognathus luteus
Lohmanella falcata
Porolohmanella violacea
II. Hydracarina, in a separate cupboard, but one Arrenurus drawer (Arrenurus 5) transferred to the geographical collection cupboard! The numeration follows the numbers of the drawers.
1. Hydrachna: bivirgulata, conjecta, crassipalpis, cruenta, geographica, globosa.
2. Hydrachna: leegei, processifera, skorikowi, trilobata, uniscutata, valida
3. Limnochares aquatica
4. Eylais: bisinuosa, curvipons, discreta stagnalis, degenerata, hamata, infundibulifera, koenikei, mosquensis, mutila
5. Eylais: rimosa, setosa, extendens, soari, rimsky-korssakowi, spinipons
6. Eylais: stagnaliformis, mülleri, tantilliformis, tantilla, tullgreni, undulosa, ussuriensis
7. Protzia caucasica, eximia; Calonyx cabardinicus; Euthyas truncata; Thyas barbigera, pachystoma, rivalis; Thyopsis cancellata
8. Parathyas thoracatus; Panisus michaeli; Georgella koenikei
9. Hydryphantes: dispar, hellichi, planus, ruber, abnormis, affinis, clypeatus, crassipalpis, flexuosus
10. Hydrodroma despiciens; Thermacarus thermobius, nevadensis (M.,F. Type)
11. Teutonia cometes, intermedia, subalpina; Sperchonopsis verrucosa; Dartia longipora
12. Sperchon: glandulosus, minutiporus, papillosus, plumifer, setiger, squamosus, tarnogradskii, turgidus, undulosus, clupeifer
13. Lebertia: acuta, affinis, densa, dubiaeformis, exuta, fimbriata, gladiator, insignis, inaequale [!]
14. Lebertia: jenissejensis, lepnevae, porosa, riabuschinskii, schmidtii, stackelbergi, stackelbergi saxicola, lineata
15. Lebertia: longissima, tuberosa, stigmatifera, maculosa (syn. koenikei), ussuriensis
16. Oxus ovalis, longisetus; Frontipoda musculus; Gnaphiscus ekmani, setosus, affinis
17. Limnesia: connata, fulgida, koenikei, maculata, tuberifera
18. Limnesia: undulata, venustula (ex coll. Sig Thor ?!), polonica
19. Atractides tener, gibberipalpis, nodipalpis, ovalis, spinipes, connexus, ellipticus (also numerous specimens 'Torrenticola elliptica'), semisetus; Pontarachna punctulum
20. Hygrobates: albinus, foreli, calliger, fluviatilis, longipalpis, trigonicus
21. Hygrobates japonicus, nigromaculatus, squamifer, longituberculata, kirgisicus, norvegicus; Mixobates sokolowi, uncatus; Mesobates forpicatus
22. Unionicola: aculeata, crassipes, japonensis, intermedia, rezvoi, setipes, ypsilophora
23. Neumania: undulata, callosa, deltoides, ambigua, martynowi, spinipes, vernalis, umbonata
24. Hydrochoreutes: rectipes, krameri, ungulatus
25. Acercus latipes, ornatus, scaurus, bullatus; Pionopsis lutescens; Pionacercus leuckarti, uncinatus
26. Piona: carnea, clavicornis, circularis, coccinea, occulta
27. Piona: hankensis, stjördalensis, recurva, coccinoides, coccinea coccinea, conglobata, conjugula
28. Piona: controversiosa, discrepans, gyrophora, longipalpis, nodata, obturbans, trisetica
29. Piona: nodatoides, paucipora, rotunda, rotundoides, uncata
30. Piona: variabilis, neumani, inconstans
31. Forelia liliacea, mutata, parmata; Brachypoda ligulifera, versicolor; Neobrachypoda ekmani; Feltria crenata
32. Aturus scaber, ussuriensis; Kongsbergia materna; Midea orbiculata; Mideopsis orbicularis; Acalyptonotus violaceus
33. Arrenurus: adnatus, abbreviator, affinis, albator, batillifer, bifidicodulus, bisulcicodulus, bruzelii, buccinator, caudatus
34. Arrenurus: conicus, crassicaudatus, cuspidator, cuspidifer, tricuspidator, nodosus, forcipatus
35. Arrenurus: fimbriatus, globator, maculator, innominatus, mülleri, membranator, kjermanni, nassonovi, papillator, nobilis
36. Arrenurus: virens, radiatus, pustulator, securiformis, sinuator, mülleri, stecki, soochawensis, tetracyphus
without number ("Arrenurus 5", in the left cupboard) - Arrenurus: tricuspidator, truncatellus, wereschtschagini, ussuriensis, zachariae, robustus, abbreviator, distinctus