Hylaeus (Deranchylaeus) chimani, Dathe, 2014

Dathe, Holger H., 2014, Studies on the systematics and taxonomy of the genus Hylaeus F. (8) Revision of the Afrotropic subgenus Hylaeus (Deranchylaeus) Bridwell (Hymenoptera: Anthophila, Colletidae), Zootaxa 3874 (1), pp. 1-84 : 31-32

Hylaeus (Deranchylaeus) chimani sp. n.

Figures 18 , 62–63

Diagnosis

This species is only known from the male. It is very similar to H. eardleyi sp. n., but the proximal lobi of S7 are dentate and the distal lobi are short, the gonoforceps extensions are shorter than in H. eardleyi .

Description

Male. TL 4.4–5.8 (4.94) mm, WL 2.9–3.8 (3.25) mm.

Head. Proportions HL:HW 0.93, UFW:LFW 2.06, outline rounded trapezoid. Scapi black, conical expanded distally, wider than flagella, SL:SW 1.73; flagella long, yellow below (except end brown below), dark above. Mask white to yellowish white, side spots expanded to top of scapi bases, pointed above, supraclypeal area black. Foveae faciales short. Clypeus CL:CW 1.76, matt, with moderate sparse punctation, anterior margin narrow black. Supraclypeal area narrow. Frons and vertex with strong dense punctation, pilosity longer and denser than usual, even scapi with dense white hairs. Labrum and mandibles black.

Mesosoma depressed, entirely black. Pilosity sparse, white. Pronotum narrow expanded forward; anterior margin edged, dorsolateral angles edged. Mesonotum and scutellum shagreen, matt, punctation moderate, close. Mesopleurae shagreen, matt, punctation moderate, sparse. Legs black, bright are foretibiae in front, basitarsi; remaining tarsi brown. Wings darkened, venation brown. Propodeum rounded, matt. Medial area with two rows of meshes with longitudinal ribs, distally delimited by a carina; terminal area only laterally marginate.

Metasoma narrow, slender spindle-shaped; black. Terga shagreen, silky shining, punctation fine, sparse to scattered. T1 without lateral fringes. Terminalia ( Fig. 18 ): genital capsule with gonoforcipes extension shorter than its basal part; S8 with medial frontal projection in line with lateral extensions, proximal lobi of S7 with tooth.

Distribution

Zimbabwe.

Type material: 7 ♂

Holotypus: ♂ ZIMBABWE. Chimanimani, Melsetter, 1100–1400 m, 18.04.1985, J. Gusenleitner lg.—In coll. SDEI Müncheberg.

Paratypes: ZIMBABWE, Chimanimani National Park, 14.12.1998, 3 ♂, Bečvař lg., 3 ♂, Halada lg.—In coll. Biozentrum Linz, SANC Pretoria, SDEI Müncheberg.

Derivatio nominis

The name is a noun with reference to the Chimanimani National Park, Zimbabwe.

Figures

FIGURES 16–19. Male terminalia in species of tinctulus-group.—16 H. tinctulus Cockerell (typus).—17 H. camerunensis sp. n. (typus).—18 H. chimani sp. n. (typus).—19 H. oromialis sp. n. (typus). Scale 0.5 mm.

FIGURES 62–63. H. (Deranchylaeus) chimani sp. n., male (typus): 62 head in frontal view, 63 surface structure of basal terga. Scale 0.5 mm.