Amblochilus Blanchard, 1851

Allsopp, Peter G., 2021, The Australian endemic genera Mesystoechus Waterhouse, 1878, Amblochilus Blanchard, 1851, and Bilobatus Machatschke, 1970 revisited (Coleoptera Scarabaeidae: Rutelinae: Anoplognathini), Zootaxa 4965 (2), pp. 363-374 : 364

Amblochilus Blanchard, 1851

Amblochilus Blanchard, 1851: 225 .

Type species. Amblochilus bicolor Blanchard, 1851 , by monotypy.

Diagnosis. Anoplognathini: Schizognathina. Labium flat, apex rounded or truncate, not produced; palps with 2 palpomeres, apical palpomere elongate with conspicuous dorsal sensorium, palps smaller in females and sesoria more superficial. Maxilla with galea small, weakly denticulate at apex; palp elongate, apical palpomere as long as preceding palpomeres together, as long as antennal club, with deeply impressed elongate sensorium in males, palps smaller in females and sensoria more superficial. Mandibles concealed beneath clypeus, weak, without a distinct apical tooth, molar edge without ridges. Antennae with 9 antennomeres, club much shorter than shaft. Labrum with an anteroventral process. Clypeus elongate, sides convex in outline, angles rounded, anterior margin recurved, wider than clypeofrontal suture in males, not wider in females. Clypeofrontal suture obscure, somewhat posteriorly arcuate. Ocular canthi short, triangular, subvertical. Eyes very large in males, smaller and less protuberant in females. Frons narrow, elongate, whole head with dense, fine, setiferous punctures. Pronotum with anterior angles obtuse in males, very obtuse in females, marginal ridge continuous, basal margin medially lobed; disc punctate and with erect setae. Elytra with epipleurae setose, narrowly membranous. Prosternal process small, concealed by dense thoracic setae. Mesoventrite not forming a process. Abdomen with abundant setae. Protibiae 3-dentate, more deeply separated in females but proximal tooth weaker; protarsi slender, tarsomeres 2–3 together as long as tarsomere 1 in males, tarsomeres 2–4 together as long as tarsomere 1 in females, tarsomere 5 with a conspicuous ventral projection in males, reduced in females; claws long, curved, subequal. Metalegs slender, corbels narrow.