Eoanthidium (Hemidiellum) semicarinatum Pasteels, 1972

Belavadi, Vasuki V., 2017, The Resin and Carder bees of south India (Hymenoptera: Megachilidae: Anthidiini), Zootaxa 4317 (3), pp. 436-468 : 445-448

Eoanthidium (Hemidiellum) semicarinatum Pasteels, 1972

( Figs 7 , 8 )

Eoanthidium (Hemidiellum) semicarinatum Pasteels, 1972: 112 .

Description. Female. Body length 6.58± 0.87 mm; black. Head: Black; yellowish white patch on base of mandible, clypeus, supraclypeal area, narrow stripe along inner orbit almost to top of eye, stripe below anterior ocellus, posterior vertex; punctation fine and dense on face with sparse glittering pale pubescence; clypeus nearly convex, without median longitudinal line, apical margin concave medially with pubescence; juxtantennal carina present; mandible 4 dentate; anterior tentorial pit on epistomal sulcus below intersection with subantennal sulcus; F1 longer than pedicel; first labial segment shorter than second; inter-ocular distance slightly less than inter-antennal distance.

Mesosoma: Yellow stripe on anterior part of tegula, anterior margin of pronotum, pronotal lobe, mesoscutum with inverted U-shaped marking on either side, broad stripe on mesopleuron, latero-apical margin of mesoscutellum, outer surface of femora and tibiae; punctation fine and dense with sparse glittering pale pubescence; posterior margin of mesoscutellum rounded, incised medially, overhanging metanotum; omaular carina present on upper half of mesepisternum; wings hyaline; tarsal claws cleft; arolia present.

Metasoma: Yellow transverse patch on T1–T6 narrowly interrupted on all segments except T1 and T6; punctation fine and dense with sparse glittering pale pubescence; T6 apical margin with small tubercles; scopa golden yellow and white at the border on either side; white fasciae of short plumose hairs beneath scopa absent.

Male. Body length 7.07± 0.65 mm; black; similar to female except as follows: mandible tridentate; T7 yellowish white; T4–T6 with lateral spines; T7 with apical margin with median truncated projection and rounded lateral lobe; sternal segments with long pubescence laterally. Genitalia with gonostylus narrow at base and dilated distally with brush of pubescence; penis valve broad at base, pointed distally; apodeme of penis valve extended beyond genital base.

Floral Associations: Tridax procumbens (Asteraceae) and Duranta erecta (Verbenaceae) .

Flight period: April and May.

Distribution. Endemic to southern India.

Material examined. INDIA: Karnataka: Bangalore , GKVK, 1♀, 2.iv.1982, sweep net, Ghorepade ; 1♂, 15.iv.2013, sweep net, Girish; Mysore , 1♀, 19.iv.2009 ; 2♀, 16.iv.2009; 1♂, 5.iv.2009, sweep net, collected by Dhanyavathi; Mandya , 1♂, 1.v.2014, sweep net, Veereshkumar.

Figures

FIGURE 7. Female Eoanthidium semicarinatum Pasteels A) Face B) Mandible C) Scopa D) Dorsal view E) Ventral view.

FIGURE 8. Male Eoanthidium semicarinatum Pasteels A) Face B) Tergal apical segments C) Genitalia D) Dorsal view E) Ventral view.