Trichocolletes serotinus, 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 : 36-38

Trichocolletes serotinus n.sp.

Figs 43 , 74 , 114

Type. Holotype ♂, Mount Hay Road (33.6389°S 150.3983°E), 17 Oct. 1998, M. Batley, ex Dillwynia floribunda , in AM K.344806.

Specimens examined. The holotype and the following. Australian Capital Territory: ♂, Hill W side Condor Ck bridge, 6 Nov. 1993, G. J. Davis & G. V. Maynard , Daviesia mimosoides, MV (930642). New South Wales : ♀, Adaminaby-Kiandra Road (35.9011°S 148.5794°E), 31 Dec. 2008, M. Batley, ex Mirbelia platylobioides, AM (K.344813) ; 2♂, Blue Mountains , 3–4 Oct. 1915, A. Musgrave, ANIC ; 12♂, Blue Mtns , 3 Oct. 1915, A. Musgrave, AM (K.344534–45) ; 6♂, 2♀, Clarence ,

28–31 Oct. 1979, N. W. Rodd, AM (K.344550–57); ♀, 9 km E Kiandra (35.9125°S 148.5794°E) , 31 Dec.2008, M. Batley, AM (K.224900); ♂, 2♀, 12 km SE Kiandra (35.9356°S 148.5928°E) , 31 Dec. 2008, M. Batley, ex Mirbelia platylobioides, AM (K.224904–06); ♂, ♀, Mt Canobolas (33.3181°S 148.9817°E) , 9 Nov.2005, M. Batley, ex Mirbelia oxyloboides, AM (K.344814–15); ♂, Mt Kaputar NP , 2 Oct. 1976, E. M. Exley & T. Low, UQIC; 2♂, ♀, Mt Kaputar NP , 12 Nov. 1979, N. W. Rodd, AM (K.344558–60); ♀, Mount Wilson (33.5417°S 150.3414°E) , 25 Oct. 2002, M. Batley, ex Boronia microphylla, AM (K.344811); 3♀, Mount Wilson (33.5400°S 150.3442°E) , 12 Nov. 1999, M. Batley, ex Daviesia alata, AM (K.344807–09); ♀, Napoleon Reef (33.4167°S 149.7497°E) , 7 Nov. 2005, M. Batley, ex Pultenaea setulosa, AM (K.344812); 2♂, 2♀, Nullo Mtn , 21 Nov. 1978, N. W. Rodd, AM (K.344546–49); 3♂, Wentworth Falls , 27 Oct. 1930, Burns, Alec N., MV (16561–63). South Australia: 4♂, ♀, Kyeema Nat Pk nr Meadows , 9 Oct. 1972, T. F. Houston, on Daviesia corymbosa, SAM (32-024657–61); ♂, ♀, Mt Lofty summ , 26 Oct. 1964, T. F.H., on Platylobium, SAM (32-024453–54); ♂, Mt Lofty summit , 4 Oct. 1963, ex Daviesia, SAM (32-024450); ♀, Rocky River, Kangaroo Is , 31 Oct. 1964, S. Barker, SAM (32-024452); ♂, Rocky River, Kangaroo Is , 4 Oct. 1970, T. F. Houston, on Leucopogon, SAM (32-024662); ♂, Waitpinga , 3 Oct. 1965, T. F. Houston, on Daviesia, SAM (32-024451). Tasmania: ♀, Bridport , 28 Oct. 1913, F. M. Littler, AM (K.44076); 11♂, 4♀, Bridport , 26-30 Oct. 1913, F. M. Littler, SAM (32-024433–47); ♀, Hobart , 24 Oct. 1917, G. H. Hardy, AM (K.95636); 3♂, Hobart , 22 Oct. 1916, G. H. Hardy, QM; ♂, Hugel River (42.1000°S 146.1500°E) , 6 Dec. 1974, Neboiss, Arturs, MV (16497). Victoria: ♂, ♀, Bright, H. W. Davey, QM; ♂, Buckland River , 30 Nov. 1964, MV (16503); ♂, Caulfield, MV (16560); 7♂, ♀, Dartmouth Dam , 31 Oct. 1976, Calder, Andrew A., MV (16565); ♂, Dromana , 3 Nov. 1931, F. E. Wilson, MV (16498); ♀, 2 km S Falls Creek (36.8756°S 147.2861°E) , 2 Jan. 2009, M. Batley, ex Mirbelia platylobioides, AM (K.224931); ♂, Ferntree Gully , 28 Sep. 1930, Burns, Alec N., MV (16525); ♂, Frankston , 18 Oct. 1932, Burns, Alec N., MV (16545); ♂, Grampians , 1 Oct. 1928, F. E. Wilson, ANIC; 3♂, Grampians , Oct. 1928, Wilson, F E., MV (16489,90,99); 2♂, 3♀, Grampians , 10 Nov. 1930 & 23 Oct. 1932, Burns, Alec N., MV (16515,19,16543–44); 2♂, ♀, Halls Gap , 1 Nov. 1928, CB, SAM (32-024448–49); ♂, Melbourne , R. E. Turner, BM; 2♂, ♀, 15 km E Mount Hotham (37.0283°S 147.2717°E) , 3 Jan. 2009, M. Batley, ex Mirbelia platylobioides, AM (K.224948–49,56); ♂, Mt Buffalo , 18 Dec. 1933, A. Musgrave, AM (K.95638); ♂, Mount Buffalo , 13 Jan. 1955, Neboiss, Arturs, ANIC; 2♂, Mount Buffalo , 13 Jan. 1955, Neboiss, Arturs, MV (16487–88); ♂, Upwey , 22 Feb. 1930, Wilson, F E., MV (16522) .

Diagnosis

Eyes not hairy; metasomal bands gold; scutal hair dull orangebrown. Active in late spring and summer in Eastern Australia.

Descriptions

Male (holotype).— Head width 3.65 mm, body length 11.3 mm. Relative dimensions: HW 50, HL 39, UID 30, UFW 30, LID 27, DMA 28, HVO 4, WOC 15, MOD 5, OOD 8, IAD 10, ASD 4, AOD 7, ML 20, BMW 7, MSL 0.5, SL 14, SW 3, FL c. 53.— Eyes not hairy; face almost quadrate, inner orbits converge ventrally; length malar space c. 0.1× basal mandibular width; flagellum as long as head width; middle flagellomeres c. 1.3× as long as wide. Legs slender; hind tarsus 1.1× as long as hind tibia; hind basitarsus 5.15× as long as wide; basitibial area indistinct. Gonoforceps broadened apically, hairs relatively sparse; S7 lateral lobes obliquely triangular with posterior margin rounded, posterior projections obsolete ( Fig. 74 ).— Labrum, tarsi,

T. platyprosopis T. rufibasis T. sericeus

38 Records of the Australian Museum (2012) Vol. 64

T. dowerinensis T. sericeus T. serotinus n.sp.

distal ends of femora, fore and mid tibiae and scape orangebrown; scape often with dark suffusions, occasionally black; fore and mid tibiae with dark suffusions medially; mandible amber medially; flagellum (other than F1) brown ventrally. T 1–5 with moderate width gold bands.— Clypeus densely punctate basally, apical 20% impunctate, basal suture indistinct; scutum dull with strong pit-reticulation obscuring close punctures.— Face densely covered with long, plumose, orange hair. Scutum closely covered with plumose dull orange hair; fore basitarsus with weak fringe of pale hair; anterior margin of hind tibia with close fringe of erect pale hair.

Female ( AM K.334811).— Head width 4.00 mm, body length 11.5 mm. Relative dimensions: HW 50, HL 39, UID 30, UFW 33, LID 30, DMA 31, HVO 3, WOC 7, MOD 4, OOD 8, IAD 8, ASD 3, AOD 9, ML 22, BMW 9, MSL 0.8, SL 16, SW 3, FL c. 29.— Eyes not hairy; face wider than long, inner orbits slightly convergent ventrally; malar space short (length c. 0.1× basal mandibular width); clypeus transversely convex, basal suture straight; flagellum short; middle flagellomeres c. 1.1× as long as wide; inner hind tibial spur with c. 11 long teeth; tarsal claws with short basal ramus; pygidial plate entire with distinct medial elevation.— Labrum and mandible deep amber; flagellum brown ventrally; legs dark brown. T 1–4 with gold bands of moderate width.— Clypeus polished, weakly reticulate basally, with close, large punctures, supraclypeal area impunctate medially; scutum dull with moderately strong pit-reticulation and close to dense small punctures.— Face with long, plumose hair, white, sparse to open on clypeus, white, dense in paraocular areas and close, dull orange-brown on frons. Scutum closely covered with short, plumose dark-tipped orange-brown hair; hind tibial scopa white, becoming brown towards posterior margin; prepygidial fimbria pale brown.

Figures

Figs 41–43. Eighth sternum of Trichocolletes males, ventral view: (41) T. dowerinensis, (42) T. sericeus, and (43) T. serotinus n.sp.

Figs 68–79. Seventh sternum of Trichocolletes males.

Figs 104–115. Known distribution of Trichocolletes species.