Trichocolletes aeratus, Batley, 2012

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: 8-9

publication ID 10.3853/j.0067-1975.64.2012.1589

publication LSID

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scientific name

Trichocolletes aeratus


Trichocolletes aeratus   n.sp.

Figs 44, 80

Type. Holotype ♂, Bilpin , New South Wales (33.4814°S 150.5480°E), 21 Sep. 2005, M. Batley, ex Daviesia mimosoides   , in AM K.278547. GoogleMaps  

Specimens examined. The holotype and the following. Australian Capital Territory: 3♂, Black Mountain (35.2633°S 149.0875°E), 1 Oct. 2006, M. Batley, ex Daviesia mimosoides   & Hardenbergia violacea, AM   (K.344635–37); Mount Ainslie, 21 Oct. 1993, G. J. Davis & G. V. Maynard, MV; Mount Ainslie, 21 Oct. 1993, G. J. Davis & G. V. Maynard, off Helipterum, MV.   New South Wales: 4♂, Bilpin (33.4814°S 150.5480°E), 9–21 Sep. 2005 & 12 Sep. 2009, M. Batley, ex Daviesia mimosoides, AM   (K.344632–33,41,42); ♂, 14 km E Coonabarrabran (31.2133°S 149.4022°E), 8 Oct. 2008, M. Batley, ex Daviesia latifolia, AM   (K.344640); 2♂, ♀, Cunnawarra NP (30.5739°S 152.2583°E), 7 Oct. 2002, M. Batley, ex Daviesia mimosoides   & Podolobium ilicifolium, AM   (K.333629–31); 5♀, 30 km S Dubbo, 12 Nov. 1984, N. W. Rodd, AM (K.344634–38); ♂, Grose Vale, 11 Sep. 1978, N. W. Rodd, AM (K.316620); 13♂, 7♀, 1.5 km W Mongarlowe, 23 Oct. & 13 Nov. 1993, G. J. Davis & G. V. Maynard, off Daviesia mimosoides, MV   (930958–62); 2♂, 12 km S Mount Canobolas (33.4208°S 148.9156°E), 2 Oct. 2008, M. Batley, ex Pultenaea   sp., AM (K.344638–39); 4♀, Mt Victoria, 20 Oct. 1930, Burns, Alec N., MV (16533,34,46,47); 2♀, Mt Vincent, 20 Nov. 1978, N. W. Rodd, AM (K.316621–22); ♂, Mullion Flora Res. (33.1100°S 149.1700°E), 1 Oct. 2005, M. Batley, ex Dillwynia   sp., AM (K.344634); ♂, Napoleon Reef (33.4172°S 149.7492°E), 7 Nov. 2005, M. Batley, ex Daviesia leptophylla, AM   ; 2♂, 2♀, Newnes, 24 Sep. 1972, G.Williams, AM (K.316616–19); 4♂, 3♀, Weddin Mtns NP, 24 Sep. 1980, N. W. Rodd, AM (K.316623–29); 2♀, Wentworth Falls, Oct. 1930, Wilson, F E., MV (16501–02). Queensland: ♀, Acacia Ridge, 14 Aug. 1966, I. D. Galloway, UQIC; ♂, S of Amiens, 27 Sep. 1967, T. F.Houston, Daviesia, SAM   (32-024504); ♂, 3♀, Beechmont, 2–5 Oct. 1984, N. W. Rodd, AM (K.316630–33); 6♂, Brisbane, 28 Aug.–4 Sep. 1911, H. Hacker, QM; 3♂, Brisbane, 18 Aug. 1914, H. Hacker, QM; ♀, Brisbane, 8 Sep. 1915, H. Hacker, QM; 2♀, Dunwich, Nth Stradbroke Is, 22 Aug. 1958, F. A. Perkins, UQIC; 2♂, S of Eukey, 26 Sep. 1967, T. F. Houston, Daviesia   and Hardenbergia, SAM   (32-024502, 06); 2♀, Kelvin Grove, 14 Sep. 1912, on Daviesia, QM   ; ♂, ♀, Mt Cooth-Tha, 14 Sep.–19 Oct. 1966, T. F. Houston, SAM (32-024494,500); ♂, Mt Marley nr Stanthorpe, 22 Sep. 1995, D. K.Yeates, at Hardenbergia violacea   blossom, UQIC; ♂, Stanthorpe, 4 Oct. 1966, J. C. Cardale, UQIC; ♀, Sunnybank, 25 Sep. 1911, H. Hacker, QM; 2♂, ♀, Tooheys Hill, 28 Aug.–4 Sep. 1911, H. Hacker, QM.


Length 10–11 mm; eyes hairy; metasomal bands wide, brassy colour; male fore basitarsus without plume; female clypeus sagittaly flattened.


Male (holotype).— Head width 3.60 mm, body length 10.1 mm. HW 50, HL 40, UID 31, UFW 32, LID 31, DMA 31, HVO 4, WOC 14, MOD 4, OOD 9, IAD 10, ASD 3, AOD 8, ML 22, BMW 3, MSL 7.5, SL 14, SW 3, FL c. 54.— Eyes hairy; inner orbits parallel; length malar space c. 0.33× basal mandibular width; middle flagellomeres c.1.4× as long as wide. Hind tarsus 1.2× as long as hind tibia; hind basitarsus 5.0× as long as wide. Genital capsule similar to that for T. orientalis   n.sp. (Fig. 37); S7 with broad, rounded lateral lobes and short posterior projections (Fig. 44).— Labrum, mandible, scape, tarsi, tibiae and apices of femora orange-brown; fore and mid tibiae with dark suffusions medially. T 1–5 with wide, brassy bands.— Clypeus with contiguous punctures except at ventral margin. Scutum   with dull sheen, moderate pit-reticulation and close, small punctures.— Face with dense, long, orange hair, finely branched below antennae, plumose above. Scutum   with close, long, plumose, bright orange hair, semi-adpressed hair on metasomal terga somewhat longer than in most other species; dark areas of metasomal terga with scattered, short, golden hair. Female ( AM K.316623).— Head width 4.05 mm, body length 11.0 mm. HW 50, HL 39, UID 29, UFW 32, LID 32, DMA 32, HVO 3, WOC 13, MOD 3, OOD 8, IAD 8, ASD 3, AOD 10, ML 21, BMW 8, MSL 1.5, SL 15, SW 3, FL c. 34.— Eyes hairy; inner orbits slightly divergent ventrally; length malar space c. 0.25× basal mandibular width; clypeus convex, sagittally flattened; basal suture gently concave; middle flagellomeres 1.1× as long as wide; inner hind tibial spur with c. 8 strong teeth; tarsal claws simple; pygidial plate with small apical emargination, strong medial elevation and strongly upturned rim.— Labrum, tarsi, hind tibia, anterior face fore tibia, distal ends femora orange-brown; mandible medially, flagellum ventrally, brown. T 1–4 with wide, metallic, yellow-gold bands.— Clypeus reticulate with dense, large, irregular punctures, becoming open ventrally. Scutal sculpture as for male.— Face with long, minutely-branched, pale orange hair, dense on frons and in paraocular areas, open on clypeus and supraclypeal area. Scutum   with close, short, plumose, dull orange-brown hair; hind tibial scopa chestnut (dark brown in basitibial area); prepygidial fimbria dull golden brown.

Etymology. The specific name is from the Latin adjective meaning trimmed with brass.

Distribution. Southeastern Queensland, New South Wales central slopes and tablelands (BBS, NET, NSS, SB, SEH, SEQ) ( Fig. 80 View Figs 80–91 ).


Australian Museum


Royal British Columbia Museum - Herbarium


University of Montana Museum


University of Queensland Insect Collection


Tavera, Department of Geology and Geophysics


Queensland Museum


South African Museum


University of Modena and Reggio Emilia, Department of Biology


Musee de Lectoure