Anthidiellum (Pycnanthidium) somaliense, Eardley, 2018

Eardley, Connal, 2018, Taxonomic revision of the sub-Saharan Anthidiellum Cockerell (Apoidea: Megachilidae: Anthidiini), Zootaxa 4402 (2), pp. 201-250 : 244

Anthidiellum (Pycnanthidium) somaliense sp. n.

( Figs 35–36 )

This new species is named for the type locality.

Diagnosis. The female’s unique, mostly yellow vertex and genae separate this species from all the other Afrotropical Anthidiini in which these structures are largely black. ( Fig. 35a–c ). The male is unknown.

Description. Female. Integument of head and mesosoma black with pale yellow maculation on lower face (up to a little above antennal sockets), posterior vertex, most gena, mandible, anterodistal antennal scape, broad lateral scutum margin, axilla, posterior scutellum, mesepisternum below pronotal lobe, most mesepimeron, all legs, T1– T3 anterolaterally (blackish mesally, posterior margin orange), T4–T5 cross-bands (broad posterior margin orange), T6 ( Fig. 35a–c ). Scopa white ( Fig. 35c ). Lengths: face 4.2 mm; scutum 1.5 mm; forewing 4.0 mm; body 5.4 mm. Structure. Head. Epistomal suture flattish dorsolaterally ( Fig. 1b ); lower epistomal suture projection adjacent to opposite inner antennal socket edge ( Fig. 1b ); preoccipital region rounded; scutum gently and evenly convex, punctate laterally; omaulus strongly carinate; fore and middle femora with squamose vestiture posteriorly; hind basitarsus wide (length 1.5x width); propodeum striate dorsolaterally, vertical surface mostly reticulate sculpture.

Male. Unknown.

Distribution ( Fig. 36 ). Anthidiellum somaliense is only known from one female specimen collected in Somalia.

Material examined. Type material. ‘ Somalia Afgoi Lower Shabelli Valley 6–20.III.2977 Mal. Trap, F. Bin, collection RMNH Leiden,’ RMNH.

Figures

FIGURE 1. Anthidiellum, FEMALE,FAcE SHOWINg SHAPE OF cLyPEUS.A.DIStINctLy ROUNDED ABOVE.B.SLIgHt ROUNDED ABOVE.

FIGURE 35.Anthidiellum somaliense. A–B FEMALE.A.HABItUS.B.FAcE.c–D.MALE.c. HABItUS.

FIGURE 36.KNOWN DIStRIBUtION OF Anthidiellum somaliense.