Dolichothrombium

Mąkol, Joanna & Sevsay, Sevgi, 2011, Notes on the genus Dolichothrombium (Acari: Prostigmata: Trombidiidae) with description of a new species, Zootaxa 2971, pp. 1-16 : 14

Key to the species of Dolichothrombium

1 postlarval forms....................................................................................... 2

- larvae.............................................................................................. 8

2 pDS <55........................................................................................... 3

- pDS> 60............................................................................................ 5

3 pDS with long, almost equal in length, setulae; the most distally placed setulae reach the stem termination; setal bases asym- metrical................................................................................... D. anatoliae

- pDS with long setulae in proximal part of the stem and much shorter ones in the distal part of the stem; the most distally placed setulae do not reach the stem termination; setal bases symmetrical or asymmetrical................................ 4

4 pDS stem markedly thickened.................................................................... D. borceai

- pDS stem not markedly thickened............................. [ D. alpinum , D. fournieri , D. spinosum , D. longulum ]1

5 pDS bases dentated at the edge........................................................... D. azerbaijanicum

- pDS bases smooth.................................................................................... 6

6 pDS stem markedly thickened................................................................. D. grandjeani

- pDS stem not markedly thickened........................................................................ 7

7 longer setulae cover c. half of the proximal part of the setal stem.................................... D. teneriffensis

- longer setulae present only at setal stem base...................................................... D. insidiosum

8 scutum delicately rounded anteriorly........................................................... D. raphanicum

- scutum distinctly narrowing towards anterior margin......................................................... 9