Scrapter glareus Davies, 2005

Kuhlmann, Michael, 2014, Revision of the euryglossiform species of the Afrotropical bee genus Scrapter Lepeletier & Serville, 1828 (Hymenoptera: Apoidea: Colletidae), European Journal of Taxonomy 95, pp. 1-69 : 18-20

Scrapter glareus Davies, 2005

Fig. 9

Scrapter glareus Davies, 2005: 166–168 , figs 27–30, holotype ♂ (type locality: Knersvlakte, 30 km N of Vanrhynsdorp, South Africa) (SANC).

Diagnosis

The male of S. glareus can be separated from other species of this group by the combination of the following characters: antenna unmodified, hind tibia simple and yellow with a brown spot on the back side, hind basitarsus yellowish ( Fig. 9A ), form of S7 ( Fig. 9D ). The female is unknown.

Material examined

No additional material examined.

Description

Male

BODY LENGTH. 5.6–5.8 mm.

HEAD. Head slightly wider than long. Integument black, except mandible partly dark reddish-brown. Face densely covered with long, greyish-white, erect hair. Malar area medially narrow, almost linear. Antenna dorsally dark brown, ventrally yellowish-brown except last two to three flagellar segments completely or largely brown.

MESOSOMA. Integument black. Mesoscutal disc densely but shallowly punctate (i = 1.0–1.5 d), strongly reticulate and matt. Mesoscutum, scutellum, metanotum, mesepisternum and propodeum sparsely covered with long, greyish, erect hair ( Fig. 9A ).

WINGS. Slightly yellowish-brown; wing venation and stigma yellowish-brown.

LEGS. Integument black, tarsi, tibiae and femora apically yellow, tibia posteriorly with large brown spot ( Fig. 9A ). Hind tibia unmodified. Vestiture greyish-white.

METASOMA. Integument black, apical margins of terga partly translucent dark yellowish to reddish-brown ( Fig. 9C ). Disc of T1 without hair; T2–T4 basally with a broad and dense band of very fine, short, erect, silverish hair covering about 2/3 of the terga; apical tergal hair bands missing on all terga ( Fig. 9C ). Terga impunctate, sculptured and slightly matt; terga with broad and superficially sculptured, shiny apical tergal depression ( Fig. 9C ). S3–S5 without distinct apical hair fringes.

TERMINALIA. Genitalia ( Fig. 9B ), S7 ( Fig. 9D ) and terminal plate of S8 ( Fig. 9E ) as illustrated.

Female

Unknown.

Distribution

The species is only known from the Knersvlakte, a semi-desert plane in southern Namaqualand.

Floral hosts

Unknown.

Seasonal activity

September.

Figures

Fig. 9. Scrapter glareus Davies, ♂. A. Lateral view. B. Genitalia (dorsal view, SEM). C. Metasoma (dorsal view). D. S7 (dorsal view, SEM). E. S8, apical end (SEM). Scale bars: photos: 1 mm, SEM: 0.1 mm.