Schizosthetus, Athias-Henriot, 1982

Zhang, Shuo, Xie, Lixia, Wang, Haoran, Dong, Minghang & Yan, Yi, 2024, Schizosthetus Athias-Henriot, 1982 (Mesostigmata: Parasitidae): the description of a new species from China, Zootaxa 5403 (2), pp. 279-286 : 285

Key to the females of Schizosthetus

1. Opisthonotal shield with 15–17 pairs of setae; setae SV1 on opisthogastric shield; glands gdz5 present................. 2

– Opisthonotal shield with more than 24 pairs of setae; setae SV1 on opisthogastric shield; glands gdz5 absent............. 3

2. Setae r4 on shield; cingulum present; opisthogastric shield bearing eight pairs of setae..................... S. lyriformis

– Setae r4 off shield; cingulum absent; opisthogastric shield bearing six pairs of setae...................... S. simulatrix

3. Opisthonotal shield with 28 or 29 pairs of setae; setae j6 slightly longer than z5 and j5; central and lateral prongs of gnathotectum equal in length............................................................................... S. vicarius

– Opisthonotal shield with 25 pairs of setae; setae z5 slightly longer than j5 and j6; central prong of gnathotectum about 3.5 times as long as lateral prongs....................................................................... S. baixuelii