Pachyanthidium (Trichanthidium) lachrymosum ( Smith, 1879 )

Belavadi, Vasuki V., 2017, The Resin and Carder bees of south India (Hymenoptera: Megachilidae: Anthidiini), Zootaxa 4317 (3), pp. 436-468 : 452-459

Pachyanthidium (Trichanthidium) lachrymosum ( Smith, 1879)

( Figs 15 , 16 )

Anthidium lachrymosum Smith, 1879: 87 . Anthidium serapiforme Friese, 1914: 322 .

Description. Female. Body length range 6.99± 0.75 mm; black. Head: Black; white pubescence on face, gena; punctation coarse; clypeus slightly convex, with median longitudinal line, apical margin truncate, slightly concave medially; supraclypeal area flat; mandible 5 dentate; preoccipital ridge dorsally and omaulus produced as translucent lamellae; F1 longer than pedicel; first labial segment as long as second; inter-ocular distance shorter than inter-antennal distance.

Mesosoma: White pubescence behind pronotal lobe, sides of propodeum and legs; very short mat of white pubescence on anterior mesoscutum, mesopleuron; inner side of tarsi with ferruginous hairs; punctation coarse; arolia absent; mesoscutellum very broad, somewhat wedge-shaped, posterior margin truncate, overhanging on metanotum; fore wing dark fuscous; hind wing subhyaline; tarsal claws cleft.

Metasoma: Short mat of white pubescence on T1–T5 laterally; punctation fine; scopa black; white fasciae of short plumose hairs beneath scopa absent.

Male. Body length 6.84± 0.64 mm; black; similar to female except as follows: mandible tridentate; arolia present; very short mat of white pubescence laterally on T1–T6; T3–T6 with lateral spines, T7 with three apical spines; S8 parallel-sided medially above lateral apodeme, with long sparse hairs, broadly rounded at anterior end, spiculum very narrow and elongate; genitalia with gonocoxite extended laterally, gonostylus bent inward distally with sparse hairs on inner side; penis valve broad at base, apodeme of penis valve extended beyond genital base.

Floral Association: Leucas aspera (Lamiaceae)

Flight Period: April, June, July, and November.

Distribution. India, Thailand, and Burma.

Material examined. INDIA: Karnataka: Mysore, 1♀, 17.iv.2009, sweep net, Dhanyavathi ; Yerbahalli , 1♀, 29.vii.2014, sweep net, Revanasidda ; Bangalore , GKVK, 1♀, 29.vii.2014, sweep net, Veereshkumar ; 1♀, 25.vi.2014, sweep net, Sunil; 1♀, 18.xi.2014, sweep net, Zameer; 2♂, 29.iv.2010, sweep net, Arathi; Tamil Nadu: Coimbatore, 1♀, 5. ix.1950, P S Nathan.

Figures

FIGURE 15. Female Pachyanthidium lachrymosum (Smith) A) Face B) Mandible C) Scopa D) Dorsal view E) Ventral view.

FIGURE 16. Male Pachyanthidium lachrymosum (Smith) A) Face B) Tergal apical segments C) Genitalia D) S 8 E) Dorsal view F) Ventral view.