Trichocolletes hackeri (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 : 23

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♂, Gibraltar Range NP, 16 Nov. 1979, N. W. Rodd, AM (K.316670–73) ; ♀, 3 km N Lansdowne , 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♂, Tooloom Scrub via Urbanville , 22 Oct.1972, G. B. Monteith, UQIC ; ♂, ♀, 8 km W 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 ; ♂, 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♂, Mt Lindesay , 15 Nov. 1967, T . F. Houston , SAM (32-024478,81) ; ♂, Mt Lindesay , 15 Nov. 1967, T . F. Houston , UQIC ; ♂, Mt Lindesay , 15 Nov. 1967, T . F. Houston , WAM (8996) ; ♂, ♀, Natnl Pk , Dec. 1921, H. Hacker, ANIC ; 11♂, Natnl Pk , Dec.1921, H. Hacker, QM ; 2♂, 4♀, 18 km S Ravenshoe , 9 Sep. 1983, N. W. Rodd, AM (K.316674–79) ; 12♂, ♀, 18 km S Ravenshoe , 16 Oct. 1984, N. W.Rodd, AM (K.316683–95) ; 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. 0.2× basal width mandible; scape stout, barely reaching medial ocellus (width 0.35× length); flagellum long, crenulate ( Fig. 8 ). Legs long, slender; hind tarsus 1.46× as long as hind tibia; basitarsus 9.1× as long as wide, slightly

bowed at proximal end; fore basitarsus short, length 0.3× 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. T1–5 with brilliant, metallic gold bands, narrow on T1, 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. 0.1× basal mandibular width); clypeus gently convex; labrum uniformly convex except for slight medial depression; flagellum moderately short; middle flagellomeres 1.25× 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. T1–4 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 T1 with dull white hair.

Distribution. Rainforest areas of eastern Australia (NNC, SB, SEQ) ( Fig. 98 ).

Figures

Figs 5–9. Parts of antennae of male Trichocolletes illustrating: (5) swollen and (6) non-swollen scapes; (7) modified F1 and F11; (8) crenulate flagellum and (9) modified F11.

Figs 56–67. Seventh sternum of Trichocolletes males.

Figs 92–103. Known distribution of Trichocolletes species.