Taxonomy and distribution of African chiggers (Acariformes, Trombiculidae) Author Stekolnikov, Alexandr A. 576D9065-0E85-4C5C-B00F-B907E3005B95 Zoological Institute, Russian Academy of Sciences, Universitetskaya embankment 1, St. Petersburg 199034, Russia. Alexandr.Stekolnikov@zin.ru text European Journal of Taxonomy 2018 2018-01-16 395 1 233 journal article 10.5852/ejt.2018.395 10dbb315-5662-4069-a1ae-9692fdf99499 2118-9773 3829724 A244F97F-8CEB-40CE-A182-7E5440337CAA Trisetica Traub & Evans, 1950 Diagnosis SIF = 4B, 5B-N-3-(2-3)111.0000; fsp = 7.7.7; fSt = 2.2; fCx = 1.1.1; Ip = 730–750. Cheliceral blade with tricuspid cap; galeal setae nude; palpal claw 3-pronged; palpal tarsus with 4–5 branched setae. Scutum with reduced posterior angles (peniscutum), with 1 AM, 2 AL setae and clavate or fusiform sensilla covered with setules; 2 PL setae extrascutal. Eyes 2 + 2. Legs 7-segmented, 2–3 genualae I, 1 genuala II, tibiala and genuala III present, mastisetae absent, all leg coxae unisetose.