Trichocolletes dives (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: 16-17

publication ID 10.3853/j.0067-1975.64.2012.1589

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Trichocolletes dives (Cockerell)


Trichocolletes dives (Cockerell)  

Figs 7 View Figs 5–9 , 23 View Figs 20–23 , 31, 54, 90

Anthoglossa dives Cockerell, 1914b, p. 39   .

Trichocolletes (Trichocolletes) dives   .— Michener, 1965, p. 79.

Specimens examined. The holotype ♀, Yallingup, nr Cape Naturaliste , Western Australia, R   . E. Turner, Sep. 14–31 Oct. 1913, BMNH   Hym. 17.a.393 and the following. Western Australia   : ♂, ♀, Barracca Nature Reserve, 8 km NE Muchea, 23 Jul. & 13 Aug. 1999, T   . F. Houston, on flowers of Daviesia physodes, WAM   (27174, 82); ♀, Cannington, 16 Oct. 1954, R   . P. McMillan, WAM (13512)   ; ♀, Chidlow, 1 Jun. 1934, WAA (45284)   ; ♀, 18 km NW Eneabba , 9–12 Sep. 1987, T   . F. Houston, on flowers of Daviesia, WAM   (13978); ♂, 16 km NW Eneabba , 24 Jun. 1999, T   . F. Houston, on flowers of Daviesia trifolia, WAM   (27173); 2♀, 25 km 15° W of N Eneabba , 28 Aug. 1999, T   . F. Houston, on flowers of Jacksonia hakeoides, WAM   (27520–21); ♀, 28 km 26° W of N Eneabba , 28 Aug. 1999, T   . F. Houston, on flowers of Daviesia divaricata, WAM   (27513); 4♂, ♀, 31 km 9°W of N Eneabba , 23–25 Jun. 1999, T   . F. Houston, on flowers of Daviesia trifolia, WAM   (27169–72, 79); ♂, ♀, Mahogany Ck , WAM (13511)   ; ♂, Nabawa, 9 Jul. 1998, S. R   . Patterson, WAM (21391)   ; ♂, Stathams, WAM (13505)   ; ♀, 1.5 km S Yallingup , 12–13 Nov. 1986, T   . F. Houston, on flowers of Daviesia, WAM   (13979); ♂, Yanchep-Lancelin Road 10 km ESE Guilderton , 28 Aug. 1982, T   . F. Houston, on flowers of Daviesia divaricata, WAM   (13503).


Length c. 14 mm; eyes not hairy; metasomal bands wide, bright gold; clypeus wholly (male) or partly (female) yellowbrown and sparsely punctate. Male flagellum very long with apical segment expanded and flattened.


Males from the Yanchep-Busselton area at the southern end of the known range exhibit generally denser pubescence and a curved, ventrally expanded first flagellomere.


Male ( WAM 27175 View Materials ).— Head width 4.4 mm, body length 13.9 mm. Relative dimensions: HW 50, HL 34, UID 29, UFW 30, LID 32, DMA 32, HVO 5, WOC 13, MOD 3, OOD 8, IAD 9, ASD 4, AOD 6, ML 21, BMW 6, MSL 2,

SL 8, SW 4, FL c. 78.— Eyes not hairy; face broad; inner orbits ventrally divergent; clypeus flattened apicolaterally; length malar space c. 0.4× basal width mandible; labrum truncate, uniformly convex; scape short and swollen (width 0.5× length); flagellum much longer than head width; F2–9 c. 2.8× as long as wide, F11 and part F10 flattened and expanded ( Fig. 7 View Figs 5–9 ). Legs long and slender; hind tarsus c. 1.3× as long as hind tibia; hind tibia gently bowed transversely; hind basitarsus c. 6.0× as long as wide, gently bowed longitudinally; posterior carina of hind basitibial area extends slightly past apex. Costal margin of third submarginal cell of forewing noticeably narrow. Gonoforceps with sparse hair, narrowed preapically (Fig. 31); S7 with lateral lobes compressed and fused with posterior projections and basal teeth (Fig. 54).— Clypeus yellow-brown; labrum, scape, mandible medially, tarsi, distal half fore femur, anterior faces mid femur, fore and mid tibia, orange-brown; remainder of legs dark brown; flagellomeres F1–9 mottled orange-brown ventrally, dark brown dorsally, F11 ventrally with large, medial brown patch. T1–5 with broad gold bands; T7 red-brown. Wings darkened.— Clypeus weakly reticulate, shining, with scattered setiferous punctures; supraclypeal area densely punctate; scutum   strongly pit-reticulate and indistinctly punctate.— Face above base of clypeus with dense, erect, finely-branched, orange hair; lower paraocular area with short, adpressed, pale hair; clypeus with sparse, long, simple, orange hair. Scutum   with close, plumose, darktipped pale brown hair; fore trochanter and femur with copious, long, orange hair; fore basitarsus without plume; anterior margin of hind tibia with fringe of mid-length orange hair.

Female ( WAM 27182 View Materials ).— Head width 4.5 mm, body length 14.3 mm. Relative dimensions: HW 50, HL 37, UID 29, UFW 31, LID 31, DMA 31, HVO 4, WOC 13, MOD 3, OOD 8, IAD 7, ASD 3, AOD 8, ML 21, BMW 7, MSL 1, SL 13, SW 3, FL c. 36.— Eyes not hairy; face broad, inner orbits slightly divergent ventrally; malar space c. 0.25× basal width mandible; clypeus uniformly convex with slight sagittal flattening; supraclypeal area prominent; frontal carina ending in small tubercle on supraclypeal area; flagellum moderately long; middle flagellomeres c. 1.2× as long as wide; basitibial area well-defined with sharp edges on both margins (obscured by setae unless worn) ( Fig. 23 View Figs 20–23 ); tarsal claws simple; inner hind tibial spur with c. 8 strong teeth; pygidial plate very broad and coarsely sculptured.— Labrum, mandible medially, apical half of clypeus orange-brown; legs, flagellum dark brown. T1–4 with broad, gold bands, ferruginous across anterior margin.— Clypeus reticulate, shining with scattered, large punctures, supraclypeal area with contiguous, large punctures; scutum   dull with strong pit-reticulation.— Face with long, brown, plumose hair, dense in paraocular areas and on frons, open on supraclypeal area and sparse on clypeus. Scutum   with close, short, plumose, dark-tipped pale brown hair; prepygidial fimbria honey-coloured; hind tibial scopa dark brown.

Remarks. This species is referred to as T. dives   and F 258 in Houston (2000).

Distribution. Southern coastal Western Australia (JF, GS, SWA) ( Fig. 90 View Figs 80–91 ).


Departamento de Geologia, Universidad de Chile


Tavera, Department of Geology and Geophysics


Western Australian Museum














Trichocolletes dives (Cockerell)

Batley, Michael 2012

Trichocolletes (Trichocolletes) dives

Michener, C 1965: 79

Anthoglossa dives

Cockerell, T 1914: 39