Scrapter minutissimus, Kuhlmann, 2014

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 : 25-27

Scrapter minutissimus sp. nov.

urn:lsid:zoobank.org:act:6361FA10-BC8E-4EE6-AD60-3EB7169B380E

Fig. 13

Diagnosis

The male of S. minutissimus sp. nov. can be separated from other species of this group by the combination of the following characters: antenna unmodified, hind tibia simple and black, hind basitarsus yellowish ( Fig. 13A ) and S7 without apicolateral lobes ( Fig. 13D ). The female is unknown.

Etymology

Named for the very small body size of the species.

Type material (3 specimens)

Holotype

SOUTH AFRICA: ♂, Leliefontein , slope, yellow + white trap, 30.22520° S, 18.13572° E, 25 Sep. 2003, C. Mayer ( SANC).

Paratypes

SOUTH AFRICA: 1 ♂, Leliefontein, plain, white trap, 30.23391° S, 18.16476° E, 7 Sep. 2003, C. Mayer (RCMK); 1 ♂, Remhoogte, plain, white trap, 30.23453° S, 18.16499° E, 11 Sep. 2003, C. Mayer (RCMK).

Description

Male

BODY LENGTH. 3.5–4.3 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 ( Fig. 13A ).

MESOSOMA. Integument black. Mesoscutal disc impunctate, strongly sculptured and matt. Mesoscutum, scutellum, metanotum, mesepisternum and propodeum sparsely covered with long, greyish, erect hair ( Fig. 13A ).

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

LEGS. Integument black, tarsi, fore tibia anteriorly (posteriorly brown), mid and hind tibia basally and apically yellow to yellowish-brown ( Fig. 13A ). Hind tibia unmodified. Vestiture greyish-white.

METASOMA. Integument black, apical margins of terga partly translucent dark reddish-brown ( Fig. 13C ). Disc of T1 without hair; T2–T4 basally with a broad and dense band of very fine, short, erect, silverish hair covering about half of the terga; apical tergal hair bands missing on all terga ( Fig. 13C ). Terga impunctate, sculptured and matt; terga with narrow and slightly sculptured, shiny apical tergal depression ( Fig. 13C ). S3–S5 without distinct apical hair fringes.

TERMINALIA. Genitalia ( Fig. 13B ), S7 ( Fig. 13D ) and terminal plate of S8 ( Fig. 13E ) as illustrated.

Female

Unknown.

Distribution

The species is only known from the Kamiesberg Mountains.

Floral hosts

Unknown.

Seasonal activity

September.

Figures

Fig. 13. Scrapter minutissimus sp. nov., ♂. A. Lateral view. B. Genitalia (dorsal view, SEM). C. Metasoma (dorsal view). D. S7 (dorsal view), left half missing (SEM). E. S8, apical end (SEM). Scale bars: photos: 1 mm, SEM: 0.1 mm.