Ologamasus Berlese

Moraes, De, 2007, A new species of Ologamasus (Acari: Ologamasidae) from Brazil, Zootaxa 1462, pp. 61-68 : 67

Key to species of Ologamasus Berlese (females)

1 Ventrianal shield totally fused with dorsal shield, except for lateral area .................................................. 2

1´Ventrianal shield fused with dorsal shield only by a narrow area behind anus ........................................... 5

2 Dorsal setae distally expanded.................................................................................................................... 3

2´Dorsal setae setiform ...................................................................................... O. simplicior ( Berlese, 1914)

3 Tectum with only one pointed prong; sternal shield with parallel, longitudinal striation ............................ .......................................................................................................................... O. aberrans ( Berlese, 1888)

3´Tectum with a central larger, and lateral, shorter, prongs; sternal shield reticulate .................................... 4

4 Seta Zv4 (seta ISv of Lee, 1970) present; setae s1 and s2 absent; tectum with 2 pairs of lateral prongs in addition to the central prong ...................................................................................... O. foliatus Karg, 1976

4´Seta Zv4 absent; setae s1 and s2 present; tectum with one pair of lateral prongs in addition to the central prong ............................................................................................................................... O. cananeiae sp. n.

5 Sternal shield with longitudinal striae ............................................................. O. membranosus Karg, 1976

5´Sternal shield without longitudinal striae ................................................................................................... 6

6 Ventrianal shield reticulate ............................................................................. O. striolatosimilis Karg, 1976

6´Ventrianal shield smooth ................................................................................... O. striolatus ( Berlese, 1916)