Torrenticola, Piersig, 1896 (Acari, Hydrachnidia

Pešić, Vladimir, Valdecasas, Antonio G. & García-Jimenez, Ricardo, 2012, Simultaneous evidence for a new species of Torrenticola Piersig, 1896 (Acari, Hydrachnidia) from Montenegro, Zootaxa 3515, pp. 38-50 : 49

Key to the males of the European Torrenticola species having the shoulder platelets fused with the dorsal plate

(modified from Di Sabatino et al. (2010) to include T. lesbica , T. lundbladi and T. lukai sp. nov.).

1 A group of long setae and bristles on the apex of Cx-1; ventral side of P-3 and P-4 finely serrate................................................................................................. Torrenticola ungeri (Szalay, 1927)

- Apex of Cx-1 with a few, relatively short setae; ventral side of P-3 and P-4 not serrate............................... 2

2 Medial suture of Cx-2+3 relatively long (> 120)............................................................. 3

- Medial suture of Cx-2+3 relatively shorter (60–100).......................................................... 5

3 Excretory pore posterior to Vgl–2....................................... Torrenticola minutivalvata Lundblad, 1956

- Excretory pore more or less on the same level as Vgl–2....................................................... 4

4 Gnathosomal rostrum short (L/H ratio <1.5)............................................ Torrenticola lukai sp. nov.

- Gnathosomal rostrum long (L/H ratio> 1.9)................................. Torrenticola lundbladi ( K. Viets, 1930)

5 Large in size (idiosoma length> 750); ejaculatory complex with large proximal chamber.......................................................................................... Torrenticola lesbica Di Sabatino & Gerecke, 2003

- Small in size (idiosoma length <700); ejaculatory complex with smaller proximal chamber........................... 6

6 Genital field large (length> 140); ejaculatory complex normal in shape (proximal and distal arms and proximal chamber well developed)............................................................. Torrenticola amplexa (Koenike, 1908)

- Genital field smaller (length <130); ejaculatory complex slender, proximal and distal arms very small, proximal chamber small, anterior keel reduced)........................................... Torrenticola ischnophallus Lundblad, 1956