Trichocolletes erythrurus (Cockerell)

Batley, Michael, 2012, Revision of the Australian Bee Genus Trichocolletes Cockerell (Hymenoptera: Colletidae: Paracolletini), Records of the Australian Museum (Rec. Aust. Mus.) 64 (1), pp. 1-50 : 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: ♀, 91 km NE 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); ♂, 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 (13938–45, 63–64); ♀, Cannington, 16 Oct. 1954, R. P. McMillan, WAM (13961); 7♂, ♀, Deanmill, 5 Oct. 1982, R. P. McMillan, WAM (13930–37); ♂, 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♂, 3♀, Gooseberry Hill (31.9528°S 116.0486°E), 16 Sep. 2003 & 24 Sep. 2004, M. Batley, ex Chorizema dicksonii , Kennedia coccinea & Hardenbergia comptoniana, 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♂, 2♀, Koondoola Cons.Area 12 km N Perth, 22 Sep. 2000, T. F. Houston, on flowers of Gompholobium confertum, WAM (27801–05); ♂, 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); ♂, 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); ♂, 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); ♂, 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); ♂, 2♀, c. 10 km NE Wannamal RS, 10 Sep. 1983, C.A. & T. F. Houston, on flowers of Gastrolobium, WAM (13918–20); ♂, Williams, 21 Oct. 1991, S.R Patterson, WAM (18464); ♂, 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. 0.45× basal width mandible; middle flagellomeres c. 1.6 × as long as wide, weakly crenulate. Legs slender; hind tarsus 1.1× as long as hind tibia; hind

basitarsus 6.0× 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; T1,2 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. 0.2× basal width mandible; clypeus uniformly convex; supraclypeal area convex, protruberant; middle flagellomeres c. 1.1× as long as wide; inner 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/M 232 in Houston (2000).

Distribution. Southwestern Australia (AW, ESP, JF, MAL, WAR, SWA) ( Fig. 94 ).

Figures

Figs 56–67. Seventh sternum of Trichocolletes males.

Figs 92–103. Known distribution of Trichocolletes species.