Amegilla (Asaropoda) youngi Leijs, sp. nov.

Leijs, Remko, Dorey, James & Hogendoorn, Katja, 2020, The genus Amegilla (Hymenoptera, Apidae, Anthophorini) in Australia: a revision of the subgenus Asaropoda, ZooKeys 908, pp. 45-122 : 45

Amegilla (Asaropoda) youngi Leijs, sp. nov. Figure 22A-E

Specimens examined.

(1 female):

Types.

Holotype, female, Litchfield, NT (13.4810S; 130.6990E), 18 Feb. 2006, DA Young., SAMA 32-033601, RL0707.

Diagnosis.

Male unknown. Female T2-T4 with black pubescence and pale posterior hairbands, T5 entirely with white hairs, clypeus with two black sub-parallel marks, process on S6 smooth with well-developed broad ridge (Fig. 22L ).

Description.

Female holotype (SAMA 32-033601, RL707): Body length 13 mm, forewing length 9.1 mm, head width 4.5 mm.

Structure: Inner orbits of eyes diverging above; head wider than long; clypeal protuberance in profile 0.69 eye width; mandible with weak subapical tooth; F1 equal to combined length of next 3.1 flagellomeres; F1 0.9 × as long as scape; F2 circa as long as F3; F3-F10 slightly shorter than wide; last flagellomere 0.76 × as long as F1; marginal cell length 0.72 × distance from apex of cell to wing tip; cu-v of hind wing 0.89 × length of second abscissa of M+Cu; S6 with distinctly rounded posteriorly projecting subapical lobe, visible as spine when viewed laterally (Fig. 22C ).

Pubescence: Head white on labrum, clypeus, scape and lower half of genae; pale orange hairs on upper genae and frons above antennal sockets; scutum, scutellum, metanotum, mesosoma laterally and ventrally under wing basis and pronotal lobe orange-brown, mesosoma white ventrally, small patch of black hair below hind wing; fore leg with long white hairs on posterior parts of femur and tibia, tarsi black; fore leg inner surfaces of tibia and tarsus with dark brown hairs; mid femur black; mid tibia black, outer surface white with small patches of pale orange hairs apically; mid metatarsus and tarsus black; hind leg outer surface of femur, tibia and metatarsus black, scopa and around basitibial plate white; hind leg inner surface black; metasomal terga with T1 pale orange and thin row of white hairs on posterior margin, T2-T4 black with white hairbands on posterior margins; T5 with white adpressed hairs and dense patch of black hairs apicomedially, T6 with strong brown hairs flanking the pygidial plate; S1-S5 with short dark hairs and rows of white hairs which are longer at lateral corners.

Colouration: Integument black, apart from: antennae brown below; S1 brown; scape with pale yellow patch below; labrum ivory with two small brown marks in dorsolateral corners; clypeus ivory, with two black sub-parallel marks; supraclypeal area with ivory triangle; paraclypeal area black, mandible ivory at base, brown at tip; proboscis brown.

Flower records.

None.

Distribution.

Figure 22E .

Etymology.

The specific epithet refers to Andy Young, the collector of the specimen, in honour of his contribution to Amegilla taxonomy by providing fresh specimens in ethanol, which were valuable for DNA analyses.

Figures

Figure 22. Amegilla (Asaropoda) youngi Leijs, sp. nov.