Amegilla (Asaropoda) aurantia 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) aurantia Leijs, sp. nov. Figure 5A-M

Specimens examined.

(6 males, 8 females).

Types.

Holotype, male, Mount Augustus, WA (24.3261S; 116.8400E), 03 Sept. 1980, CA Howard & TF Houston, WAM 5476, on Pityrodia augustensis ;

Allotype, female, Yampire Gorge, WA (22.3738S; 118.4675E), 26 Aug. 1971, TF Houston, WAM 5457.

Diagnosis.

Male S3 and S4 broadly emarginated each with round patch of black bristles. Female paraclypeal and supraclypeal area with pale yellow marks, tibial scopa orange, T2 with some black hairs in anterolateral corners, process on S6 irregularly striate, not well defined posteriorly (Fig. 5L )

Description.

Male holotype (WAM5476): Body length 13 mm, forewing length 9 mm, head width 4.4 mm.

Structure: Inner orbits of eyes diverging above and below; head wider than long; clypeal protuberance in profile 0.67 × eye width; mandible with subapical tooth; F1 equal to combined length of next 1.6 flagellomeres; F1 0.63 × as long as scape; F2 0.67 × as long as F3; F3-F10 1.3 × as long as wide; last flagellomere 1.1 × as long as F1; marginal cell length 0.69 × distance from apex of cell to wing tip; cu-v of hind wing 1.5 × length of second abscissa of M+Cu; S2-6 with distinct emarginations; S2 deep almost semicircular; S3 circa three times as wide as deep; S4 circa six times as wide as deep; S5 circa six times as wide as deep; S6 with apicomedial emargination circa 2.5 × as wide as deep; S6 medially with raised posteriorly directed rounded ridge.

Genitalia: penis valves with well extended shoulders; volsella short, with ten setae (Fig. 5H ); gonocoxa laterally with a few short setae; apex of gonocoxa constricted with a dorsal rounded lobe; outer gonostylus robust, with rounded basal lobe at inner ventral side, and row of long robust setae on inner surface dorsally and dense fine setae ventrally; inner gonostylus very small, reduced to transparent lobe (Fig. 5G ); S7 (Fig. 5E ); S8 broad with rounded apex bearing fine setae, and a few strong setae around midline (Fig. 5F ).

Pubescence: Head white and pale orange around ocelli and on vertex; scutum, scutellum and metanotum orange and some darker hairs in the area between the tegulae; mesosoma laterally orange, ventrally orange and dark brown; fore leg pale orange; mid and hind legs: coxa, trochanter and inner surface of femur, tibia and metatarsus with dark brown pubescence, outer surface orange; metasomal terga with pale orange hairs; T2 anteriorly with narrow band of black hairs; S1-S5 with narrow rows of pale orange hairs on posterior margins increasing in length laterally; apicomedial area of S3 and S4 with distinct round patch of black, forward-directed bristles; S5 with long brown branched hairs around the emargination, and long plumes of orange hairs laterally; S6 with small patch of orange hairs posterior to rounded ridge, short and dense pale hairs in the emargination.

Colouration: Integument black-brown, apart from: top of femur, tibia and tarsus orange; sterna brown, most of metasoma orange; scape pale yellow below; flagellum dark brown; labrum pale yellow with small black dot near dorsolateral corners; clypeus pale yellow; supraclypeal area pale yellow; paraclypeal area pale yellow; mandible pale yellow at base, greyish at tip; proboscis orange.

Female holotype (WAM5457): Body length 14 mm, forewing length 10.2 mm, head width 4.9 mm.

Structure: Inner orbits of eyes diverging above; head wider than long; clypeal protuberance in profile 0.74 × eye width; mandible with subapical tooth; F1 equal to combined length of next 3 flagellomeres; F1 0.86 × as long as scape; F2 0.67 × as long as F3; F3-F10 circa as long as wide; last flagellomere 0.63 × as long as F1; marginal cell length 0.61 × distance from apex of cell to wing tip; cu-v of hind wing 1.4 × length of second abscissa of M+Cu; S6 with narrow raised area and short transverse posterior ridge (Fig. 5L ).

Pubescence: Head white with pale orange hairs around ocelli and on vertex; scutum, scutellum and metanotum orange and some darker hairs between the tegulae; mesosoma laterally and ventrally pale orange; fore leg pale orange hairs; mid and hind legs: coxa, trochanter and inner surface of femur, tibia and metatarsus dark brown, outer surface orange; metasomal terga pale orange, T2 with some black hairs in anterolateral corners; T5 fimbria brown medially; T6 with strong brown hairs flanking the pygidial plate; S1-S5 with narrow rows of pale orange hairs on posterior margins increasing in length laterally; S2-S4 with some black hairs medially.

Colouration: Integument of head and mesosoma black-brown, apart from: scape orange-brown; F1-F2 brown remaining segments brown below, black above; labrum yellow with small brown dots near dorsolateral corners; clypeus yellow with undefined narrow brown marks; supraclypeal area with pale yellow triangle; paraclypeal area with pale yellow mark along epistomal suture; mandible pale yellow at base, black at tip; proboscis orange; top of femur, tibia, tarsus orange.

Flower records.

Eremophila maculata ?, Stemodia grossa ( Scrophulariaceae ), Trichodesma zeylanicum ( Boraginaceae ), Pityrodia augustensis ( Chloanthaceae ).

Distribution.

Figure 5I .

Etymology.

The specific epithet refers to the orange habitus of the species.

Figures

Figure 5. Amegilla (Asaropoda) aurantia Leijs, sp. nov.