CBiol MSB FLS Terence Gledhill
Address: The Freshwater Biological Association
The Ferry Landing, Far Sawrey
United Kingdom
Phone: +44(0)1539 442468
Fax: +44(0) 1539 446914
E-Mail: tgledhill@fba.org.uk

Research Topics
1. Taxonomy and distribution of Hydrachnidia especially of the British Isles,
with particular interest in interstitial species.

2. Taxonomy of watermites associated with molluscs, especially from West

3. Standard work on European watermites (in collaboration).

4. Taxonomy and distribution of subterranen freshwater malacostracan
crustaceans in the British Isles.

5. Taxonomy of freshwater macro-invertebrates in general in Britain.


Gledhill,T. (1959 ): The life-history of Ameletus inopinatus (Siphlonuridae, Ephemeroptera). - Hydrobiologia,14, 85-90.
Gledhill, T. (1960 ): The Ephemeroptera, Plecoptera and Trichoptera caught by emergence traps in two streams during 1958 - Hydrobiologia, 15, 179- 188.
Gledhill, T. (1960 ): Some water-mites (Hydrachnellae) from seepage-water. - J.Quekett microsc. Club 5, 293-307.
Gledhill, T and Driver, D.B. (1964 ): Bathynella natans Vejdovsky (Crustacea:Syncarida) and its occurrence in Yorkshire. - Naturalist, July-Sept. 104-106.
Gledhill, T. (1964 ): Axonopsalbia (Hexaxonopsalbia) angulata Viets, 1955 and the genus Barbaxonella Lundblad, 1954 (Hydrachnellae, Acari) - J.Quekett microsc. Club 29, 296-302
Serban, E. and Gledhill, T. (1965 ): Concerning the presence of Bathynella natans stammeri Jakobi (Crustacea:Syncarida) in England and Rumania. - Ann. Mag. Nat. Hist. 8, 513-522.
Gledhill, T. (1967 ): Atractides latipalpis (Mot. and Tan.) a phreaticolous water-mite (Hydrachnellae, Acari) new to Britain. - Naturalist, Hull. 901, 51-54.
Gledhill, T. and Ladle, M. (1969 ): Observations on the life-history of the subterrnean Amphipod Niphargus aquilex aquilex Schiodt. - Crustaceana, 16, 51-56.
Gledhill, T. (1969 ): Some observations on the phreaticolous water-mite Neoacarus hibernicus Halbert (Hydrachnellae, Acari). - Proc. 2nd Int. Cong. Acarology, Akademiai Kiado, Budapest, 75-80.
Browne, P., Freethy, M. and Gledhill. T. (1970 ): The aquatic fauna of some caves in the Buckfastleigh area of Devon. - William Pengelly Cave Studies Trust Limited, Newsletter No. 13, 1-4
Gledhill, T. (1970 ): The genus Wandesia Schectel (Hydrachnellae, Acari) and a description of a new species Wandesia(Wandesia) racovitzai from England. - Livre du centenaire Emile G. Racovitza (ed.Orghidan, T.). Editions de l\'Academie de la Republique Socialiste de Roumanie. 231-238
Crisp, D.T. and Gledhill, T. (1970 ): A quantitative description of the recovery of the bottom fauna in a muddy reach of a mill stream in Southern England after draining and dredging. - Arch. Hydrobiol. 67, 502-541.
Gledhill, T. (1971 ): The genera Azugofeltria, Vietsaxona, Neoacarus and Hungarohydracarus (Hydrachnellae, Acari) from the interstitial habitat in Britain. - Freshwater Biology, 1, 61-82.
Gledhill, T. (1973 ): Observations on the numbers of water-mites (Hydrachnellae, Porohalacaridae) in Karaman/Chappuis samples from the interstitial habitat of riverine gravels in Britain. - Livre de cinquantenaire de l'Institut de Speologie 'Emile Racovitza', Editura Academiei Republicii Socialiste Romania, Bucuresti. 249-257.
Gledhill, T. (1973 ): The water-mites (Hydrachnellae, Acari) of a stony stream. - Proc. 3rd Int. Congr. Acarology, Prague, 1971. Academia. Publishing House of the Czechoslovak Academy of Sciences. 159-167.
Gledhill, T., Sutcliffe, D.W. and Williams, W.D. (1976 ): A revised key to the British species of Crustacea: Malacostraca occurring in fresh water. - Scient. Publs Freshwat. Biol. Ass. No. 32, 1-72.
Gledhill, T. and Viets, K.O. (1976 ): A synonymic and bibliographic check-list of the freshwater mites (Hydrachnellae and Limnohalacaridae) recorded from Great Britain and Ireland. - Occ. Publs Freshwat. Bol. Ass. No. 1, 1-59.
Gledhill, T. (1977 ): Numerical fluctuations of four species of subterranean amphipods during a five year period. - Proc. 3rd Int. Colloq. Gammarus and Niphargus. Schlitz, Germany 1975. Crustaceana Suppl. 4, 144-152.
Stock, J.H. and Gledhill, T. (1977 ): The Niphargus kochianus-group in north-western Europe. - Proc. 3rd Int. Colloq. Gammarus and Niphargus. Schlitz, Germany 1975. Crustaceana Suppl. 4, 212-243.
Gledhill, T. (1979 ): Designation and description of the lectotype of Niphargus fontanus Bate. (Crustacea: Amphipoda) - Proc. 4th Int. Colloquium on Gammarus and Niphargus., Blacksburg, Virginia 1978. Crustaceana Suppl. 6, 27-37.
Gledhill, T. (1979 ): Some data on the freshwater mites (Hydrachnellae and Limnohalacaridae, Acari) of the British Isles and Ireland. - Proc. 4th Int. Congr. Acarology. Saalfelden, Austria, 1974. Akademiai Kiado, Budapest, 153-156.
Gledhill, T (1982 ): Neoaxonopsalbia (Lankaxonopsalbia) judithae, a new subgenus and species of water-mite (Hydrachnellae, Acari) from Sri Lanka. - Arch. Hydrobiol. 94, 126-131.
Gledhill, T., Cowley, J. and Gunn, R.J.M. (1982 ): Some aspects of the host:parasite relationships between adult blackflies (Diptera;Simuliidae) and larvae of the water-mite Sperchon setiger Thor (Acari; Hydrachnellae) in a small chalk stream in southern England. - Freshwater Biology, 12, 345-357.
Gledhill, T. (1982 ): Water-mites (Hydrachnellae and Limnohalacaridae, Acari) from the interstitial habitat of riverine deposits in Scotland. - Polsk. Arch. Hydrobiol. 29, 439-451.
Gledhill, T. (1983 ): A redescription of Feltria denticulata Angelier (Hydrachnellae, Acari) based on type material and specimens from Scotland. - Acarologia, 24, 425-434.
Gledhill, T. and Gledhill, J. (1984 ): Discovery of Bathynella, a subterranean freshwater syncarid crustacean, in Ireland. - Ir. Nat. J. 21, 313-317.
Gledhill, T. (1985 ): A new species of water-mite, Unionicola (Pentatax) macani (Unionicolidae, Hydrachnellae, Acari), from the mantle cavity of the prosobranch mollusc Lanistes ovum Peters in Nigeria, with remarks on some aspects of host/parasite rel.. - Arch. Hydrobiol. 104, 77-92.
Gledhill, T. (1985 ): Water mites - predators and parasites. - Freshwat. Biol. Assoc. Ann. Rep. No,53, 45-59.
Gledhill, T. (1986 ): Redescriptions of freshwater mites in the genus Atractides (Hydrachnellae, Acari) based on type material in the National Museum of Ireland, Dublin, I. Atractides pachydermis (Halbert). - Ir. Nat. J. 22, 92-95.
Gledhill, T. (1986 ): Redecriptions of freshwater mites in the genus Atractides, (Hydrachnellae,Acari) based on type material in the National Museum of Ireland, Dublin, II, Atractides elongatus (Halbert) and Atractides longipes (Halbert). - Ir. Nat. J. 22, 152-157.
Pinder, L.C.V., Ladle, M., Gledhill, T., Bass, J.A.B. and Mathews, A.M. (1987 ): Biological surveillance of water quality. - I. A comparison of macroinvertebrate surveillance methods in relation to assessment of water quality, in a chalk stream. - .Arch. Hydrobiol. 109, 207-226.
Gledhill, T., Sutcliffe, D.W. and Williams, W.D. (1993 ): British Freshwater Crustacea Malacostraca: A Key with Ecological Notes. - Scient. Publs Freshwat. Biol. Ass. No 52, 1-173.
Karaman,G.S., Gledhill, T. and Holmes, M.C. (1994 ): A new subterranean amphipod (Crustacea: Gammaridea: Niphargidae) from southern Ireland, with comments on its taxonomic position and the validity of the genus Niphargellus Schellenberg. - Zoological Journal of the Linnean Society, 112, 309-320.
Gledhill, T. and Wiles, P.R. (1997 ): Water-mites (Acari: Hydrachnidia) from Sri Lanka with descriptions of a new genus and two new species. - Arch. Hydrobiol./Suppl. 107, 513-539.
Gledhill, T. and Vidrine, M.F. (2002 ): Two new sympatric water-mites (Acari: Hydrachnidia: Unionicolidae) from the mutelid bivalve Aspatharia sinuata (von Martens) in Nigeria with some data on unionicoline - bivalve relationships. - Journal of Natural History, 36, 1351-1381.
Gledhill, T. (2003 ): A new genus and species of water mite (Acari: Hydrachnidia: Hygrobatidae) from the prosobranch gastropod Lanistes libycus (Morelet) (Streptoneura: Ampullariidae) in Nigeria. - in:- I.M.Smith (ed.), An Acarological Tribute to David R. Cook - From Yankee Springs to Wheeny Creek. (Indira Publishing House, West Bloomfrield, Michigan) pp.75-82.
Proudlove, G.S., Wood, P.J., Harding, P.T., Horne, D.J., Gledhill, T.and Knight, L.R..F.D. (2003 ): A review of the status and distribution of the subterranean aquatic Crustacea of Britain and Ireland. - Cave and Karst Science, 30, 53-74.
Davids, K., di Sabatino, A., Gerecke, R., Gledhill, T. and Smit, H. (2005 ): On the taxonomy of water mites (Acari: Hydrachnidia,) described from the Palaearctic, part 1: Hydrachnidae, Limnocharidae and Eylaidae. - Zootaxa, 1061, 36-64.
Gledhill, T. and Agbolade, O. (2006 ): A new species of water mite (Acari: Hydrachnidia: Hygrobatidae) from the mantle cavity of the prosobranch gastropod Potadoma moerchi (Reeve) (Streptoneura: Thiaridae) in Nigeria. - Zootaxa 1160, 37-47.
Davids, C, di Sabatino, A., Gerecke, R., Gledhill, T., Smit, H. and van der Hammen, H. (2007 ): Chelicerata: Araneae, Acari 1. - In:- Gerecke, R. (ed.) Susswasserfauna von Mitteleuropa 7/2 - 1: 241-376. Elsevier Spectrum Akademischer Verlag. Munchen.
Gledhill, T., Valdecasas, A.G. and Becerra, J.M. (2007 ): A template for the future: digitizing and databasing a taxonomic illustration collection. - Experimental and Applied Acarology, 41,109-113.
Stubbington,R., Dunscome,M.P. and Gledhill,T. (2008 2009): Occurrence of Antrobathynella stammeri (Jakobi, 1954) (Crustacea:Syncarida: Bathynellidae) in the hyporrheic zones of two English karst rivers. - Cave and Karst Science 35, 59-62.
Di Sabatino, A., Gerecke, R., Gledhill, T. and Smit, H. (2009 ): On the taxonomy of water mites (Acari:Hydrachnidia) described from the Palearctic, part 2: Hydryphantoidea and Lebertioidea. - Zootaxa, 2266, 1-34.
Gledhill, T., Dobson, M. and Wallace, I. (2010 ): The identification of freshwater invertebrates to species level - a distance learning course. Module 9, Miscellaneous taxa including Crustacea. - Environment Agency/Freshwater Biological Association. Moed.9, Version 2 Dec.2010.
Knight, L.R.F.D. and Gledhill, T. (2010 ): The discovery of Microniphargus leruthi Schellenberg, 1934 (Crustacea: Amphipoda: Niphargidae) in Britain and its distribution in the British Isles. - Zootaxa, 2655, 52-56
Di Sabatino, A., Gerecke, R., Gledhill, T. and Smit.H. (2010 ): Hydrachnidia, Hydryphantoidea and Lebertioidea. - In: Gerecke, R. Ed. Susswasserfauna von Mitteleuropa 7/2-2: Chelicerata: Acari 11. Spektrum Aksdemischer Verlag Heidelberg: 1-234.
Di Sabatino, A., Gerecke, R., Gledhill,T. and Smit,H. (2010 ): The taxonomic status of the water mite genera Todothyas Cook and Parathyas Lundblad - supplement to Di Sabatino et al. (2009). - Zootaxa, 2368, 68.
Knight, L. and Gledhill, T. (2011 2011/12): The discovery of a stygobitic crustacean new to Britain. - FBA News. The Freshwater Biological Association Newsletter No. 55 Autumn/Winter 2011/12, 16-17
Wood, P.J., Gilvear, D.J., Willby,N., Robertson, A. L., Gledhill, T. and Boon, P.J. (2012 2012): Improvements in understanding the contribution of hyporheic zones to biodiversity and ecological functioning of UK rivers. - In: River Conservation and Management. Eds:- P.J.Boon and P.J.Raven. J.Wiley and Sons, Ltd. pp. 159-173
Smit, H., Gerecke, R., Pesic, V. & Gledhill, T. (2015 2015): On the taxonomic state of water mite taxa (Acari: Hydrachnidia) described from the Palaearctic, part 3, Hygrobatoidea and Arrenuroidea with new faunistc data - Zootaxa 3981 (4): 542-552