Taxonomy and distribution of African chiggers (Acariformes, Trombiculidae) Author Stekolnikov, Alexandr A. text European Journal of Taxonomy 2018 2018-01-16 395 1 233 journal article 22091 10.5852/ejt.2018.395 10dbb315-5662-4069-a1ae-9692fdf99499 3829724 A244F97F-8CEB-40CE-A182-7E5440337CAA Eutrombicula Ewing, 1938 Diagnosis SIF = 7BS-N-2-3(2)111.(0–3)(0–2)00; fsp = 7.7.7. Cheliceral blade with tricuspid cap; galeal setae nude; palpal claw 2-pronged; palpal tarsus with 7 branched setae and nude subterminala. Scutum subtrapezoidal, with broadly rounded posterior margin, with 1 AM, 2 AL and 2 PL setae; sensillary bases situated far apart; sensilla flagelliform, branched in distal half. Eyes 2 + 2. Legs 7-segmented, 2–3 genualae I, mastitarsala III usually present, nude or with few cilia, additional mastitarsalae and mastitibialae sometimes present.