Trichocolletes luteorufus, 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 : 26

Trichocolletes luteorufus n.sp.

Fig. 102

Type. Holotype ♀, 13 km NE Warriedar , Western Australia, 28 Aug. 1981, T. F. Houston, on flowers of Cassia chatelainiana , in WAM 13656.

Specimens examined. The holotype and the following. Western Australia: 2♀, same data as holotype, WAM (13657–58); ♀, 12 km ESE Mt Magnet, 3 Sep. 1981, T. F. Houston, on flowers of Ptilotus obovatus, WAM (13660) .

Diagnosis

Female (male unknown) robust; eyes not hairy; metasomal bands wide, orange-gold; posterior half of metasoma with conspicuous orange hair.

Description

Female (holotype).— Head width 4.65 mm, body length 15.2 mm. Relative dimensions: HW 50, HL 35, UID 30, UFW 33, LID 32, DMA 29, HVO 5, WOC 14, MOD 3, OOD 9, IAD 7, ASD 4, AOD 9, ML 20, BMW 8, MSL 0.5, SL 15, SW 3, FL c. 36.— Eyes not hairy; face broad, inner orbits parallel; malar space short (length c. 0.1× basal mandibular width); clypeus gently convex; middle flagellomeres c. 1.2× as long as wide; inner hind tibial spur with c. 7 strong teeth; tarsal claws with large inner ramus; pygidial plate broad, entire with coarse sculpture.— Labrum, mandible, anterior faces of fore femur and tibia orange-brown; remainder of legs dark brown. T 1–4 with wide, deep gold bands.— Clypeus reticulate, densely covered with large punctures; supraclypeal area with smaller, contiguous punctures.— Face with long, white plumose hair, becoming pale orange on frons, close on clypeus and supraclypeal area, dense in paraocular areas and on frons; vertex with long, plumose, pale orange hair. Scutum closely to densely covered with tightly branched, pale orange hair with dark brown tips; metasomal terga with open covering of short, semierect, bright orange-gold hair progressively longer and denser posteriorly; prepygidial fimbria bright orange-gold; hind tibial scopa dark brown.

Remarks. This species is referred to as F 253 in Houston (2000).

Etymology. The specific name is a Latin adjective referring to the bright orange colour of the female metasoma.

Distribution. Known from two locations in Western Australia near Mount Magnet (MUR, YAL) ( Fig. 102 ).

Figures

Figs 92–103. Known distribution of Trichocolletes species.