HYDRODROMIDAE K. Viets, 1936

Pešić, Vladimir, Smit, Harry, Gerecke, Reinhard & Sabatino, Antonio Di, 2010, The water mites (Acari: Hydrachnidia) of the Balkan peninsula, a revised survey with new records and descriptions of five new taxa 2586, Zootaxa 2586 (1), pp. 1-100 : 9-11

Family HYDRODROMIDAE K. Viets, 1936

Genus Hydrodroma Koch, 1837 Hydrodroma despiciens (Müller, 1776)

New records: Greece: Thessalia, Larissa, small lake surrounded by carr near Stómio , Pinios Delta , 03.v.1997 Smit (1/0) .

Records from the study area: Croatia: “ Diplodontus despiciens “ K. Viets (1936) , Pešić (2002f); Montenegro: “ D. despiciens “ Musselius (1912) , “ D. despiciens “ Thon (1903) , Pešić (2002c, 2004a, b), Pesic & Smit (2007); Serbia: “ D. despiciens , D. blacensis , D. thoracatus “ Đorđević (1903) , “ D. (Hydrodroma) despicus Lundblad “ Ratajac & Rajaković (1992), Pešić (2003e); Macedonia: “ D. despiciens “ K. Viets (1936) ; Bulgaria: “ D. despiciens “ K. Viets (1926, 1933 ), K. Viets (1940), Valkanov (1957), Petrova (1971), Scheffler (1974); Greece: Stephanides (1971).

Remark. Except for papers published in this century, all records are doubtful due to former confusion with H. pilosa ( Di Sabatino et al. 2009) . Consequently, its presence in Bulgaria, Greece and Macedonia needs to be ascertained.

Habitat: Lakes, ponds.

Distribution: Holarctic.

Hydrodroma pilosa Besseling, 1940

New records: Albania: Zvedzë, 40° 43.34 N 20° 52.85 E, pond, 1080 m a.s.l., no date (very likely v.2001), Van Nieuwenhuijzen (4/0); Greece: GR18p Evia Island , the region of Ochi, Limni vidras pond near Karystos town, 01.vii.2007 Pešić (1/1/3) .

Records from the study area: Montenegro: Pešić (2002c, 2003f); Macedonia: Pešić (2003j), Baker et al. (2008).

Remarks: New for Albania and Greece.

Habitat: Lakes, ponds.

Distribution: Europe, Iran.

Hydrodroma reinhardi Pesic, 2002

New records: Montenegro: Podgorica , River Cijevna near Šumice, 42°25'N 19°27'E, 19.viii.2004 Pešić (2/3/3); Greece: Lesbos: stream Evergetoulas, 02.v.2000 Smit (0/3/0); stream Mylopotamos, 06.v.2000 Smit (9/11/0) .

Records from the study area: Montenegro: Pešić (2002e); Macedonia: Pešić (2005).

Remarks: New for Greece.

Habitat: Pools or slowly flowing reaches of streams.

Distribution: Central-Eastern Mediterranean, Iran.

Hydrodroma cf. rheophila Cook, 1967

New records: Greece: Lesbos, stream Mylopotamos, 06.v.2000 Smit (0/3/0) .

Remarks. Due to the presence of a single, swimming hair on segments four and five of the third and fourth legs the specimens from Greece show general conformity with Hydrodroma rheophila . The variability of additional populations from different regions of the whole distribution area needs to be examined to clarify the taxonomy. New for the Mediterranean.

Habitat: Pools of streams.

Distribution: India, Indonesia, Iran, Balkan.

Hydrodroma torrenticola (Walter, 1908)

New records: Montenegro: Podgorica, River Zeta near Vranjske Njive, 35 m a.s.l., 42°28'06.96''N 19°15'28.10''E, 03.x.2004 Pešić (0/1/0); Danilovgrad, stream Rimanić near village Martinići, 53 m a.s.l., 42°31'33,10''N 19°11'34,85''E, 20.viii.2004 Pešić (1/1/0); ibid., 22.viii.2004 Pešić (4/4/0); Podgorica , River Cijevna near Šumice , 42°25´N 19°27´E, 19.viii.2004 Pešić (1/0/0); Serbia: S Serbia, Rujan Mt. , small stream near Klenike village , 30.iv.2006 Pešić (0/1/0); Greece: GR10p Evia Island , the region of Ochi , Gialpides stream near Gialpides village , 30.vi.2007 Pešić (0/2/0); GR27p Region of Githio city, Vasilopotamus river near Skala town , 04.vii.2007 Pešić (6/0); Lesbos : stream Malionta , between Messotopos and Eressos, 30.iv.2000 Smit (0/1/0); Potamia River , upper west branch, 03.v.2000 Smit (0/1/0); stream Evergetoulas , 04.v.2000 Smit (0/1/0); stream Mylopotamos, 06.v.2000 Smit (1/7/0) .

Records from the study area: Croatia: Pešić (2002f); Bosnia and Hercegovina: Pešić (2002e); Montenegro: Pešić (1999); Macedonia: Schwoerbel (1963); Bulgaria: Petrova (1976a).

Remarks: New for Serbia and Greece.

Habitat: Pools of low order streams, slowly flowing reaches of higher order streams.

Distribution: Europe, Turkey, Iran.