Batley & Houston: Australian bee genus Trichocolletes 
23 
Figs 14-15. Trichocolletes gelasinus n.sp. (14) apex of male flagellum (15) clypeus and labrum of female. 
Trichocolletes hackeri (Cockerell) 
Figs 8, 61, 98 
Anthoglossa hackeri Cockerell, 1913b, p. 373. 
Trichocolletes (Trichocolletes) hackeri. —Michener, 1965, p. 79. 
Specimens examined. The holotype Tambourine Mountain, 
Queensland, 27 Oct. 1912, H. Hacker, QM (Hy/4080) and the following. 
New South Wales: 4(5, Gibraltar Range NP, 16 Nov. 1979, N. W. Rodd, 
AM (K.316670-73); ?, 3 km NLansdowne, 15 Nov. 1985, G. Williams, 
ex Acmena smithii, AM (K.316696); 2^, Macquarie Pass (34.5961°S 
150.6714°E), 30 Oct. 2007, M. Batley, AM (K.316522-23); 2(5, Tooloom 
Scrub via Urbanville, 22 Oct. 1972, G. B. Monteith, UQIC; (^,?,8kmW 
Tyalgum, 23 Sep. 1983, N. W. Rodd, AM (K.316680-81). Queensland: 
?, Beechmont, 5 Oct. 1984, N. W. Rodd, AM (K.316682); Bunya 
Mtns, 24 Oct. 1958, S. Sekhon, UQIC; $, Bunya Mtns, 24 Oct. 1958, C. 
D. Michener, UQIC; < 5 , 2$, Bunya Mtns, 29 Nov. 1967, T. F. Houston, 
WAM (8993-95); 4?, Bunya Mts, 29 Nov. 1967, T. F. Houston, SAM 
(32-024477,79,80,82); Mt Glorious, 8 Oct. 1966, J. C. Cardale, UQIC; 
2(5', Mt Findesay, 15 Nov. 1967, T. F. Houston, SAM (32-024478,81); S, 
Mt Findesay, 15 Nov. 1967, T. F. Houston, UQIC; ( 5 , Mt Findesay, 15 
Nov. 1967, T. F. Houston, WAM (8996); < 5 , Natnl Pk, Dec. 1921, H. 
Hacker, ANIC; ll^, Natnl Pk, Dec. 1921, H. Hacker, QM; 2(5,4$, 18 km 
S Ravenshoe, 9 Sep. 1983, N. W. Rodd, AM (K.316674-79); 12(5, % 18 
km S Ravenshoe, 16 Oct. 1984, N.W. Rodd, AM (K.316683-95); 5(5,4$, 
Tamborine Mountain, 24,27 Oct. 1912, H. Hacker, Parsonia velutina, QM. 
Diagnosis 
Eyes not hairy; colouring unlike any other species, metasoma 
dull black with bright, metallic gold metasomal bands. Labial 
palpus of both sexes very short and flattened. Male flagellum 
strongly crenulate; hind legs long and slender. Female tarsal 
claws cleft, scutal pubescence dark grey or grey-brown. 
Descriptions 
Male (AM K.316672 ).—Head width 3.9 mm, body length 
12.0 mm. Relative dimensions: HW 50, HL 36, UID 28.5, 
UFW 31, LID 30, DMA 30, HVO 4, WOC 12, MOD 4, 
OOD 9, IAD 9, ASD 3, AOD 7, ML 21, BMW 7, MSL 1, 
SL 13, SW 5, FL c. 70 .—Eyes not hairy; face narrow, longer 
than wide, inner orbits approximately parallel; length malar 
space c. 0.2x basal width mandible; scape stout, barely 
reaching medial ocellus (width 0.35x length); flagellum long, 
crenulate (Fig. 8). Legs long, slender; hind tarsus 1.46x as 
long as hind tibia; basitarsus 9. lx as long as wide, slightly 
bowed at proximal end; fore basitarsus short, length 0.3x 
head width; posterior margin of hind basitibial area with 
carina not reaching apex. Genital capsule generally similar 
to that for T. orientalis n.sp. (Fig. 37); S7 with very long 
posterior projections, small lateral lobes and rounded basal 
teeth (Fig. 61).— Labrum, ventral rim of clypeus, mandible 
medially translucent amber; tibiae, tarsi, anterior face of 
fore femur, distal ends mid and hind femora orange-brown; 
flagellum and remainder of legs dark brown. Tl-5 with 
brilliant, metallic gold bands, narrow on Tl, wide on T2-5; 
T7 red-brown .—Scutum dull with close, fine punctures.— 
Face with dense, plumose, pale orange hair, stiffly erect 
on clypeus, frons with longer, golden-orange hair. Scutum 
closely covered with long, plumose, orange hair; fore 
basitarsus with fringe of moderate length orange hair. 
Female (AM K.316522). —Head width 4.20 mm, body 
length 13.0 mm. Relative dimensions: HW 50, HL 37, 
UID 28, UFW 32, LID 32, DMA 32, HVO 4, WOC 12, 
MOD 3, OOD 8, IAD 9, ASD 3, AOD 10, ML 22, BMW 
7, MSL 0.8, SL 16, SW 3, FL c. 36 .—Eyes not hairy; face 
approximately quadrate, inner orbits parallel; malar space 
short (length c. O.lx basal mandibular width); clypeus 
gently convex; labrum uniformly convex except for slight 
medial depression; flagellum moderately short; middle 
flagellomeres 1.25x as long as wide; inner hind tibial 
spur with c. 6 widely spaced teeth; basitibial area without 
distinct margins, not elevated above surroundings; tarsal 
claws cleft; pygidial plate weakly emarginate.— Labrum, 
mandible medially, flagellum ventrally and most of legs 
dark brown. Tl-4 with wide, bright metallic gold bands.— 
Clypeus dull with pit-reticulation on basal half, densely 
punctate becoming open apicolaterally, supraclypeal area 
with dense small punctures, scutum dull, pit-reticulate with 
close, fine punctures .—Face with long, plumose, white hair 
becoming golden brown near ocelli, dense in paraocular 
areas and on frons, open on clypeus and supraclypeal area. 
Scutum openly covered with long, plumose, dark grey 
hair; mesepisternum, propodeum laterally and Tl with 
dull white hair. 
Distribution. Rainforest areas of eastern Australia (NNC, 
SB, SEQ) (Fig. 98). 
