Key to the males of Armascirus

1(2) Venter with 5 or less pairs of setae except for genital, anal and adanal setae........................................ 2

- Venter with 6 pairs of setae except for genital, anal and adanal setae. Setal formula of legs I–IV: coxae 3-2-3-3, basifemora 5- 5-4-2................................................................................. A. taurus (Kramer)

2(1) Setal formula of legs I–IV: basifemora 5-5-4-1 and tarsi 20-22-14-15 sts.......................... A. ebrius (Chaudhri)

- Setal formula of basifemora and tarsi I–IV otherwise........................................................ 3

3(2) Coxal setal formula I–IV 3-1 -3-3 sts....................................................................... 4

- Setal formulae I–IV: coxae 3-2-3-3, tarsi I–IV 16-18-18 -17(16) sts; papillae on circular region anterior to setae sci present.................................................................................... A. huyssteeni Den Heyer

4(3) Setal formula of legs I–IV: basifemora 5-4-3-0; tarsi 16-18-18-17(16) sts; papillae present on circular region anterior to setae sci............................................................................. A. limpopoensis Den Heyer

- Setal formula of basifemora I–IV 5-5 -3-0; papillae on circular region anterior to setae sci absent....................... 5

5(4) Genu I—[2 asl, 1 sts], 2 asl, 4 sts; setal formula of tarsi I–IV 16-18-18 -17 sts.................... A. lebowensis Den Heyer

- Genu I—2 asl, mst, 5 sts; setal formula of tarsi I–IV 16-13-12 -10 sts............................... A. masani sp. nov.