Setodiscophrya deplanata (Matthes, 1954)

Dovgal, Igor & Pešić, Vladimir, 2012, Suctorian ciliates (Ciliophora, Suctorea) as epibionts of stream-dwelling aquatic beetles (Coleoptera) and water mites (Acari: Hydrachnidia) in the southwestern Palaearctic region, Zootaxa 3166, pp. 34-40 : 35

Setodiscophrya deplanata (Matthes, 1954)

( Fig. 1 )

New records. BOSNIA AND HERCEGOVINA: W Hercegovina, river Lištica near Široki Brijeg, 43°21'N; 17°37'E, 12.xi.2006, on Hydraena sp. ( Coleoptera , Hydraenidae ); MONTENEGRO: Podgorica city, river Cijevna near village Dinoša, 42°23'59.48''N; 19°21'56.26''E, 15.8.2006, on Hydraena sp.; Mojkovac town, Dolje Polje village, Ljevok stream, 849 m. a.s.l., 42°59'N; 19°26'E, 10.8.2006, on Hydraena sp.; Podgorica city, spring Ribnička Vrela, 50 m. a.s.l., 42°26'14.10''N; 19°17'50.62''E, 05.8.2006, on Hydraena morio ; Kolašin town, stream Bistrica, 1122 m. a.s.l., 42°48'N; 19°27'E, 30.8.2006, on Hydraena morio ; Rumija Mt., Medjurječka reka-river near Medjurječje, 15.3.2007, on Hydraena sp.; SERBIA: Southern Serbia: Starac Mt., spring near village Gornji Starac, 29.4.2006, on Hydraena sp.; Canyon of the Pčinja river, spring near Monastir Prohor Pčinjski (at the road) 26.4.2006, on Hydraena sp.; BULGARIA: Eastern Rhodopes., Madzharovo town, Malkata Reka stream, 25.6.2006, on Hydraena sp.; TURKEY: Rize Province, Güneysu town, 40°58'19''N; 40°36'46''E, upper part of Kangel stream (tributary of Taşli stream) near Kangel village, 18.7.2005, on Hydraena sp.

Diagnosis. Suctorian with disc-shape, flattened, “lenticular” cell with long stalk and clavate tentacles evenly distributed over all the edge of the cell. Macronucleus branched. There are 7–12 contractile vacuoles positioned near the edge of the cell.

Measurements (data combined from Dovgal et al. 2006 and our material from the study area): Cell length 62– 106 μm, width 56–102 μm, length of stalk 62–172 μm, stalk diameter 4–23 μm.

Remarks. New for Bosnia and Hercegovina, Montenegro, Bulgaria and Turkey.

Distribution. Germany: Erlangen vicinity ( Matthes 1954c, on Ochthebius minimus ); France: Lidoire, Carsacde-Gurson, Dordogne in the Aquitaine region ( Bameul 1991, on Hydraena cordata regularis ); Ukraine: basin of River Seversky Donets ( Dovgal et al. 2006, without host or substrate identification); Russia: lake Podgorskoe, basin of River Volga near Saratov water reservoir ( Dovgal et al. 2006, on glass slides); Balkan (present paper, on Hydraena morio and Hydraena sp.), Turkey (present paper, on Hydraena sp.).

Figures

FIGURES 1 – 7. 1 = Setodiscophrya deplanata (Matthes, 1954), from Hydraena sp. (× 640); 2 = Discophrya helmidis Matthes, 1954, from Hydraena sp. (× 640); 3 = Elatodiscophrya hochi (Matthes, 1954), from Hydraena sp. (× 640); 4 = Periacineta buckei (Kent, 1881), from Hydraena sp. (× 640); 5 = Discophrya lichtensteinii (Claparede & Lachmann, 1859), from Torrenticola barsica (× 640); 6 = Acineta sp. from Torrenticola barsica (× 640); 7 = Acineta persiensis Dovgal & Pešić, 2007, from Protzia sp. (× 640).