1	Female (genitalia not visible)	6
–	Male (genitalia visible externally)	2
2	Metatrochanter with calcar (Suppl. material 1: Fig. S28B marked with arrow)	5
–	Metatrochanter rounded and smooth, without calcar (Suppl. material 1: Fig. S28A)	3
3	Hypandrium strongly modified, sinuous in apical half, with subapical ctenidium and stitched theca (cuticle looks like it is sewed) (Suppl. material 2: Fig. S4K)	spinitarsis species group
–	Hypandrium different, but with apical ctenidium and without stitch on theca (as in Suppl. material 2: Fig. S5C)	4
4	Pedicel elongated, approximately as long as basoflagellomere (relation pedicel basoflagellomere = 0.9 : 1.1) (Suppl. material 1: Fig. S29A); hypandrium narrowed medially (Suppl. material 2: Fig. S5C: marked with arrow)	bombiformis species group (Afrotropical Region)
–	Pedicel shorter than basoflagellomere (as in Suppl. material 1: Fig. S29B); hypandrium broad, not narrowed medially (Suppl. material 2: Fig. S4G)	nanus species group (Vujić et al. 2015; Kočiš Tubić et al. 2018)
5	Yellow-grey pilosity on terga more dense and striking laterally, as well as on pollinose fasciate maculae of terga 2 and 3, and on tergum 4 (Suppl. material 1: Fig. S30A); pedicel elongated, approximately as long as basoflagellomere (relation pedicel : basoflagellomere = 0.9 : 1.1) (Suppl. material 1: Fig. S29C)	funestus species group
–	Terga evenly covered with upstanding, dense pilosity (can be differently coloured) (Suppl. material 1: Fig. S30B); pedicel shorter than basoflagellomere (Suppl. material 1: Fig. S29D)	aureus species group (Šašić et al. 2016, 2018, 2019; Veselić et al. 2017; Radenković et al. 2018b; Vujić et al. 2020c)
6	Pedicel shorter than basoflagellomere (Suppl. material 1: Fig. S29F)	8
–	Pedicel elongated, approximately as long as basoflagellomere (relation pedicel : basoflagellomere = 0.9 : 1.1) (Suppl. material 1: Fig. S29E)	7
7	Apical triangular lamina on metafemur weakly serrated, usually with distinct apical dens (Suppl. material 1: Fig. S28E: marked with arrow)	bombiformis species group (Afrotropical Region)
–	Apical triangular lamina on metafemur markedly serrated (Suppl. material 1: Fig. S28F: marked with arrow)	funestus species group
8	Terga without pollinose fasciate maculae, with dense puncta (Suppl. material 1: Fig. S30C)	9
–	Terga 2–4 (at least 2) usually with pollinose medial fasciate maculae, with less dense puncta (Suppl. material 1: Fig. S30D)	aureus species group (Šašić et al. 2016, 2018, 2019; Veselić et al. 2017; Radenković et al. 2018b; Vujić et al. 2020c)
9	Tergum 4 covered with short adpressed pile (Suppl. material 1: Fig. S30E); tarsi black (Suppl. material 1: Fig. S28C)	spinitarsis species group
–	Tergum 4 covered with longer semi-erect pile, longer than basoflegellomere (Suppl. material 1: Fig. S30F); tarsi partly reddish (Suppl. material 1: Fig. S28D)	nanus species group (Vujić et al. 2015; Kočiš Tubić et al. 2018)