Hypolepida Britton, 1978

Allsopp, Peter G., 2020, Australian Melolonthini (Coleoptera: Scarabaeidae: Melolonthinae): a second species of Hypolepida Britton, 1978, Zootaxa 4742 (3), pp. 595-600 : 595

Hypolepida Britton, 1978

( Figs. 1–10 )

Hypolepida Britton 1978: 36 (original description); Houston & Weir 1992: 308 (catalogue); Weir et al. 2019: 493.

Type species. Hypolepida wilsoni Britton, 1978 , by original designation.

Diagnosis. Melolonthini (sensu Weir et al. 2019) with: head, pronotum and elytra black, contrasting with brown elytra ( Figs. 1 , 7 ); antennae with 10 antennomeres with a 6-lamellate or 7-lamellate club in male ( Figs. 3 , 8 ); profemora and protibiae, head, pronotum, scutellum and elytra with elongate, flattened, adpressed setae ( Fig. 2 ), head and disc of pronotum without long setae, pronotal hypopleura with long setae, without circular white scales contained within their punctures on either dorsal or ventral surfaces; terminal palpomere of maxillary palp with an obvious dorsal flat area; anterior face of clypeus with ratio of greatest width to mid length 4–6:1; upper surface of clypeus not deeply concave but with slightly reflexed anterior margin, outline broadly rounded; junctions between abdominal ventrites 1–5 much less obvious in the middle than on the sides; anterior edge of metafemora not concave near base; both spurs of metatibia slender, upper one slightly longer than lower; claws with a tooth on the concave side; male parameres bilaterally symmetrical ( Figs. 4–5 , 9–10 ).

Figures

FIGURES 1–5. Hypolepida wilsoni Britton, 1978. 1, Dorsum of male; 2, section of pronotum, scutellum and elytra; 3, antennal club of male; 4, parameres, dorsal view; 5, parameres, lateral view

FIGURE 6. Distribution of Hypolepida species: blue triangle, H. wilsoni Britton, 1978; red star, H. braes Allsopp, new species.

FIGURES 7–10. Hypolepida braes Allsopp, new species, holotype. 7, Dorsum of male; 8, antennal club of male; 9, parameres, dorsal view; 10, parameres, lateral view.