Dendroseius

Ma, Li-Ming, Ho, Chyi-Chen & Wang, Shun-Cheng, 2014, Two new species of Digamasellidae from Taiwan (Acari: Mesostigmata), Zootaxa 3768 (1), pp. 43-58 : 51

Key to the species of Dendroseius (based mainly on adult females)

1. Seta J5 as long as or shorter than ⅓ of Z5 ................................................................. 2

- Seta J5 as long as or longer than ½ of Z5 ................................................................... 4

2. Seta J4 shorter than ½ the distance between setal bases of J4 and J5 ...................... D. reticulatus (Sheals, 1956)

- Seta J4 obviously longer than ½ the distance between setal bases of J4 and J5..................................... 3

3. Fix digit of chelicerae with two teeth, setae Z5 2⅓ x the length of j5, deutonymph 255–295 Μm long.................................................................................. D. congoensis Wiśniewski et Hirschmann, 1992

- Fix digit of chelicerae with four teeth, setae Z5 3⅓ x the length of j5, deutonymph 325 Μm long......................................................................................... D. gujarati Wiśniewski et Hirschmann, 1989

4. Seta Zv3 on soft cuticle along lateral margins of ventrianal shield....... D. amoliensis Faraji, Sakenin-Chelav & Karg, 2006

- Seta Zv3 on ventrianal shield........................................................................... 5

5. Seta j2 about 1.3 times as long as distance between its base and base of j3; r2 on soft cuticle along lateral margins of podonotal shield and r3 on peritrematic shield; peritreme extend to anterior of coxa III, peritrematic shield separate with podonotal shield at the level of seta z1; j6 shorter than z6; Z1 shorter than distance between its base and base of S2; Z2 about 1.5 times as long as distance between its base and base of S3; S2 about 1.5 times as long as distance between its base and base of R3; S3 about 1.4 times as long as distance between its base and base of R4........................................ D . vulgaris n. sp.

- Seta j2 shorter than distance between its base and base of j3; r2 on podonotal shield and r3 on soft cuticle along lateral margins of podonotal shield; peritreme extend to anterior of coxa II, peritrematic shield separate with podonotal shield at the level of seta s1; j6 longer than z6; Z1 slightly longer than distance between its base and base of S2; Z2 about 1.2 times as long as distance between its base and base of S3; S2 as long as distance between its base and base of R3; S3 about as long as distance between its base and base of R4................................................... D . badenhorsti (Ryke, 1962)