Batley & Houston: Australian bee genus Trichocolletes 
5 
16(13) 
17(16) 
18(1) 
19(18) 
20(19) 
21 ( 20 ) 
22 ( 20 ) 
23(22) 
24(18) 
25(24) 
26(25) 
27(25) 
28(27) 
29(28) 
30(29) 
31(30) 
32(28) 
33(32) 
34(33) 
35(33) 
Mid tibia with dark brown suffusions . 
Mid tibia clear orange-brown; hind tibia with fringe of long hair 
Fore basitarsal plume present; lateral lobes S7 rounded (Figs 
57-58). 
Fore basitarsal plume absent; lateral lobes S7 triangular (Fig. 44) 
Scape swollen, length < 3x width (Fig. 5) . 
Scape slender, length > 3x width (Fig. 6) . 
Apical flagellomere flattened and expanded (Fig. 7) . 
Apical flagellomere not flattened or expanded. 
Metasoma with inconspicuous metasomal bands. 
Metasoma with bright gold metasomal bands. 
Hair below antennae short, stiffly erect; base of clypeus bare .. 
Facial hair long, directed dorsally, covering clypeus almost 
completely . 
Flagellum crenulate (Fig. 8); clypeal hair stiffly erect. 
Flagellum normal; clypeal hair long, semi-erect. 
Supraclypeal area bare and polished . 
Supraclypeal area densely punctate and pubescent. 
Malar space almost twice as long as basal mandibular width ... 
Malar space shorter than basal mandibular width. 
Apical flagellomere expanded and truncate (Figs 7, 9). 
Apical flagellomere not expanded and truncate . 
Metasoma orange-brown; hind tibia greatly expanded, without 
spurs . 
Metasoma black with white metasomal bands; hind legs normal 
Scape black. 
Scape orange-brown or yellow-brown . 
Metasoma partly or entirely red-brown or orange-brown. 
Metasoma black with silver or gold metasomal bands . 
Metasoma entirely red-brown with indistinct bands . 
Metasoma partly black, with silver or gold bands . 
Clypeus declivous, protruding only slightly . 
Clypeus strongly protuberant . 
S7 with step on posterior margin (Fig. 72); hind tibia orange .. 
S7 without step on posterior margin (Fig. 76); hind tibia dark 
brown. 
Length 15-17 mm; S2 with dense, untidy plume. 
Length 10-14 mm; sternal pubescence weak. 
Flagellum 20% longer than head width; prementum length 
> 3.5x eye width. 
Flagellum c. as long as head width; prementum length < 3.5x 
eye width . 
. 17 
. T. venustus 
. T. juscus n.sp. 
. T. aeratus n.sp. 
. 19 
. 24 
. T. dives (Cockerell) 
. 20 
. 21 
. 22 
. T. latifrons 
. T. burnsi 
. T. hackeri 
. 23 
. T. chrysostomus 
. T. sericeus 
... T. macrognathus n.sp. 
. 25 
. 26 
. 27 
. T. pulcherrimus 
. T. gelasinus n.sp. 
. T. aureotinctus 
. 28 
. 29 
. 32 
T. erythrurus (Cockerell) 
. 30 
. T. simus n.sp. 
. 31 
. T. rufibasis 
. T. soror n.sp. 
... T. marginatus (Smith) 
. 33 
. 34 
. 35 
Fore basitarsus expanded ventrally . T. multipectinatus Houston 
Fore basitarsus normal . T. eremophilae Houston 
Fore trochanter with ventral projection. 36 
Fore trochanter without ventral projection. 37 
