Anomalomorpha Arrow, 1908

Hutchinson, Paul M. & Allsopp, Peter G., 2021, Revision of Anomalomorpha Arrow, 1908 and Enracius Dechambre, 1999, with Erbmahcedius new genus from southeastern Australia (Coleoptera: Scarabaeidae: Dynastinae: Pentodontini: Cheiroplatina), Zootaxa 5072 (5), pp. 439-462 : 446

Anomalomorpha Arrow, 1908

Anomalomorpha Arrow, 1908: 344 . Type species: Anomalomorpha anthracina Arrow, 1908 , subsequent designation by Carne (1957).

Diagnosis ( Figs. 15–49 ). Body 11.5–20.8 mm long, pronotum and elytra reddish-brown to black, legs yellowishreddish brown (almost white in live specimens); form ovate , low convex, head with recurved frontoclypeal suture often terminating in a tubercle, pronotum unarmed. Maxilla and galea reduced to small conical pieces, unarmed, terminated by pencils of sensory setae; mentum flat, ligula apex rounded, palps slender, elongate and conspicuous; mandibles obscured by clypeus, external margin rounded. Antennae with 10 antennomeres, club with 3 lamellae and shorter than length of shaft. Clypeus subrectangular; clypeofrontal suture posteriorly angulate. Pronotum with anterior margin unarmed, surface evenly convex, lateral margins guttered. Elytra with lateral margins guttered, epipleural plane in anterior half horizontal. Males with all tarsi elongate, claws enlarged, robust and slightly curved; protarsomere 5 longer than protarsomere 1; proclaws of male symmetrical; metafemur of male and female long, slender, protruding beyond elytra; metatibia of female long and slender. Parameres with internal margins untoothed, external margins preapically angulate, apices setose.

Figures

FIGURES 15–18. Anomalomorpha anthracina Arrow, 1908, male. 15, Dorsal view; 16, ventral view; 17, head dorso-lateral view; 18, pygidium.

FIGURES 19–22. Anomalomorpha anthracina Arrow, 1908, female. 19, Dorsal view; 20, ventral view; 21, head dorso-lateral view; 22, pygidium.

FIGURES 23–27. Anomalomorpha monteithi Allsopp, 2000, male. 23, Dorsal view; 24, ventral view; 25, lateral view; 26, head dorso-lateral view; 27, pygidium.

FIGURES 28–30. Anomalomorpha pilbara Hutchinson & Allsopp new species, holotype male. 28, Dorsal view; 29, ventral view; 30, lateral view.

FIGURES 31–34. Anomalomorpha pilbara Hutchinson & Allsopp new species, holotype male. 31, Head dorsal view; 32, head lateral view; 33, pygidium; 34, labels and mounted aedeagus.

FIGURES 35–37. Anomalomorpha pilbara Hutchinson & Allsopp new species, allotype female. 35, Dorsal view; 36, ventral view; 37, lateral view.

FIGURES 38–40. Anomalomorpha pilbara Hutchinson & Allsopp new species, allotype female. 38, Head dorsal view; 39, head lateral view; 40, pygidium.

FIGURES 41–43. Anomalomorpha metacoxae. 41, Anomalomorpha anthracina Arrow, 1908; 42, A. pilbara Hutchinson & Allsopp new species; 43, A. monteithi Allsopp, 2000.

FIGURES 44–49. Anomalomorpha male aedeagi. 44–45, Anomalomorpha anthracina Arrow, 1908. 44, parameres dorsal; 45, aedeagus lateral; 46–47, A. pilbara Hutchinson & Allsopp new species. 46, parameres dorsal; 47, aedeagus lateral; 48–49, A. monteithi Allsopp, 2000. 48, parameres dorsal; 49, aedeagus lateral. Arrows show regions of major differences.