Batley & Houston: Australian bee genus Trichocolletes 
19 
Trichocolletes erythrurus (Cockerell) 
Figs 56, 94 
Paracolletes erythrurus Cockerell, 1914a, p. 5. 
Trichocolletes (Trichocolletes) erythrurus. — Michener, 
1965, p. 79. 
Specimens examined. The holotype $, in BMNH (Hym 17.a.456) and the 
following. Western Australia: 7,91 kmNE Albany (34.4781°S 118.6283°E), 
23 Oct. 2009, M. Batley, AM (K.316520); $, 5-8 km ENE Augusta, 27 Oct. 
1982, C. A. Howard & T. F. Houston, on flowers of Viminaria, WAM (13957); 
S, Bannister, WAM (13962); $, Beekeepers Reserve Eneabba-Leeman- 
Jurien area, M. Lyons, WAM (13924); 2$, Bickley, Perth, 24 Sep. 1985, R. 
Peakall, on flowers of Kennedia concinna, WAM (13946^47); $, N Broke 
Inlet, 26 Oct. 1982, C. A. Howard & T. F. Houston, on flowers of Viminaria, 
WAM (13958); $, Brookton Hwy Darling Range E of Karragullen, 17 Sep. 
1978, T. F. Houston, on flowers of Kennedia concinna, WAM (13954); 
1 km NE Bullsbrook East, 11 Oct. 1980, C. A. Howard & T. F. Houston, 
on flowers of Gastrolobium, WAM (13925); $, 9$, Calgardup, WAM 
(13938^15, 63-64); $, Cannington, 16 Oct. 1954, R. P. McMillan, WAM 
(13961); 7(5', Deanmill, 5 Oct. 1982, R. P. McMillan, WAM (13930-37); 
S, Denmark, Oct., L. J. Newman, WAA (80824); Dryandra, 2 Nov. 
1992, M. R. Williams, WAM (13917); $, 5?, Dryandra State Forest 27 km 
NW Narrogin, 10 Dec. 1991, T. F. Houston, on flowers of Gastrolobium 
parviflorum & Bossaeia, WAM (13911-16); 2$, Gooseberry Hill 19 km E 
Perth, 28 Aug. 1993, T. F. Houston, patrolling flowers of Daviesia, WAM 
(13921-22); 3$, Gooseberry Hill (31.9528°S 116.0486°E), 16 Sep. 
2003 & 24 Sep. 2004, M. Batley, ex Chorizema dicksonii, Kennedia coccinea 
& Hardenbergia comptonicina, AM (K.316514-19); 11 $, 3$, Kalgan- 
Manypeaks NE Albany, 18 Oct. 1974, C. A. & T. F. Houston, on flowers of 
Chorizema, SAM (32-024546-59); $, King George Sound, AM (K.48370); 
3(5) 2$, Koondoola Cons. Area 12 km N Perth, 22 Sep. 2000, T. F. Houston, 
on flowers of Gompholobium confertum, WAM (27801-05); S, 4$, Margaret 
R„ WAM (13950-52,65-66); 2$, 7.5 km SW Margaret River, 18 Nov. 1986, 
T. F. Houston, on flowers of Viminaria, WAM (13948-49); Meelup 
Beach road 27 km W Busselton, 25 Oct. 1992, T. F. Houston, on flowers of 
book-leaf poison, WAM (13923); $, Murdoch 13 km S Perth, 13 Oct. 1980, 
T. F. Houston, on flowers of Daviesia polyphylla, WAM (13926); S, 17.3 
km S Mogumber, 11 Sep. 1988, R. P. McMillan, on flowers of Gastrolobium 
bennettsianum, WAM (13959); 14 km NW Narrogin (32.8761°S 
117.0425°E), 9 Oct. 2009, M. Batley, ex Gastrolobium sp„ AM (K.316521); 
S, 50mil N Ravensthorpe, 25 Aug. 1964, G. Lallfitz, WAM (13956); $, 63 
km E Ravensthorpe (33.6753°S 120.6928°E), 8 Oct. 2009, M. Batley, AM; 
$, 5 km S Pemberton, 26 Sep. 1987, D. K. McAlpine, AM (K.316665); $, 
Point Heron Area, 2 Oct. 1977, A. M. & M. J. Douglas, WAM (13955); <$, 
Porongurup, 11 Oct. 1925, K. A. Spenser, WAM (13960); 2$, Stirling 
Range. 17 Oct. 1974, C. A. & T. F. Houston, on flowers of Daviesia, SAM 
(32-024544—45,67); <£, 2$, Stirling Ranges NP, SE Camel Lake, 2 Oct. 1995, 
J. Cane & L. Kervin, ex Gastrolobium spinosum & Bossaiea linophylla, WAM 
(32097,99,101); <A Swan River, Sep., WAA (80834); $, Adjacent E side of 
Walyunga Nat. Park 35 km NE Perth, 9 Oct. 1978, T. F. Houston, on flowers 
of Gastrolobium calycinum, WAM (13953); S, 2$, c. lOkmNE Wannamal 
RS, 10 Sep. 1983, C. A. & T. F. Houston, on flowers of Gastrolobium, WAM 
(13918-20); 6) Williams, 21 Oct. 1991, S.R Patterson, WAM (18464); S, 
Yallingup, nr Cape Naturaliste, 14 Sep.-31 Oct. 1913, R. E. Turner, BM. 
Diagnosis 
Length c. 12 mm; eyes not hairy; metasoma red-brown; 
metasomal bands absent or indistinct. Male hind legs 
unmodified; female with a polished, impunctate area below 
and laterad of antennal sockets. 
Descriptions 
Male (K.316519).— Head width 3.9 mm, body length 11.9 
mm. Relative dimensions: HW 50, HL 36, UID 33, UFW 33, 
LID 30, DMA 29, HVO 4, WOC 15, MOD 4, OOD 9, IAD 
9, ASD 3, AOD 9, ML 18, BMW 7, MSL 2.5, SL 15, SW 4, 
FL c. 54.— Eyes not hairy; face broad, inner orbits ventrally 
divergent; malar space c. 0.45x basal width mandible; middle 
flagellomeres c. 1.6x as long as wide, weakly crenulate. 
Legs slender; hind tarsus l.lx as long as hind tibia; hind 
basitarsus 6.0x as long as wide; basitibial area indistinct. 
Genital capsule similar to that for T. orientalis n.sp. (Fig. 
37); S7 with narrow, triangular lateral lobes fused with basal 
teeth, posterior projections and ligulate processes long and 
thin (Fig. 56).—Integument of head and mesosoma black 
except labrum, mandible basally, white or milky amber; apical 
half clypeus pale amber; scape, tibiae, tarsi and distal ends of 
femora, orange-brown; flagellum ventrally and large patch on 
posterior half of mid tibia, brown. Metasoma orange-brown 
with irregular dark brown brown markings on lateral margins 
all terga, glandular area on lateral margins T2, black .—Scutum 
dull with strong pit-reticulation obscuring punctures .—Face 
with dense, long, finely-branched, orange hair, stiffly erect 
on clypeus. Scutum with open, long, finely-branched, orange 
hair; fore basitarsus with short brush; trochanters with long, 
white hair; Tl,2 with sparse, long, pale orange hair; T3-7 
with a mixture of adpressed and semi-erect dark brown hair. 
Female (AM K.316518 ).—Head width 4.5 mm, body length 
12.2 mm. Relative dimensions: HW 50, HL 36, UID 31, UFW 
32, LID 31, DMA 29, HVO 3, WOC 14, MOD 4, OOD 8, 
IAD 8, ASD 3, AOD 9, ML 19, BMW 6, MSL 2, SL 16, 
SW 3, FL c. 30 .—Eyes not hairy; face broad, inner orbits 
slightly divergent ventrally; length malar space c. 0.2x basal 
width mandible; clypeus uniformly convex; supraclypeal area 
convex, protruberant; middle flagellomeres c. l.lx as long 
as wide; inn er hind tibial spur with c. 9 teeth; tarsal claws 
simple; pygidial plate entire, medial longitudinal elevation 
narrow.—Integument of head and mesosoma black except 
labrum, ventral rim of clypeus, mandible medially, tarsi, 
tibiae and apices of femora, orange-brown; tibiae with areas 
of brown posteriorly. Metasoma orange-brown, occasionally 
with darker suffusions; glandular area on lateral margin T2 
black or dark brown .—Clypeus basally weakly reticulate with 
close, large punctures, apically sparsely punctured, polished; 
supraclypeal area with contiguous punctures coalescing to 
form irregular grooves; paraocular area densely punctate 
except impunctate and polished below and laterad of antennal 
socket. Scutum dull with strong pit-reticulation .—Face with 
off-white hair, brown-tipped near ocelli, dense in paraocular 
areas and on frons, sparse on clypeus. Scutum with close, 
short, plumose, pale brown hair; hind tibial scopa pale brown; 
T2-5 openly covered with simple, short, adpressed, dark 
brown hair; prepygidial fimbria pale brown. 
Remarks. This species is referred to as F261/M232 in 
Houston (2000). 
Distribution. Southwestern Australia (AW, ESP, JF, MAL, 
WAR, SWA) (Fig. 94). 
Trichocolletes fuscus n.sp. 
Figs 57-58, 95 
Type. Holotype <$■> Munghom Gap NR, New South Wales 
(32.4247°S 149.8353°E), 10 Sep. 2005, M. Batley, ex 
Leucopogon lanceolatus, in AM K.278551. 
Specimens examined. The holotype and the following. New South Wales: 
S, same data as holotype; 2$, Conimbla NP (33.7972°S 148.4442°E), 30 
Sep. 2005, M. Batley, ex Leucopogon ericoides, AM (K.344696-97); 2$, 
$, 45 km NE Hillston (33.1906°S 145.8672°E), 19 Sep. 2005, M. Batley, 
ex Templetonia aculeata, AM (K.344692-94); 19r(, 7$, 27 km S Mount 
