Chileanthicus inflatus Kejval 2009, sp. nov.
Creators: name: Kejval, Zbyněk
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Anthicidae
Chileanthicus
Chileanthicus inflatus

description: <i>Chileanthicus inflatus</i> sp. nov. (Figs 129–134, 224) <b>Type locality.</b> Australia, Western Australia, Lake Auld, 21°44'S 123°40'E. <b>Description</b> (male, holotype). Head and pronotum dark rufous brown; elytra pale rufous, with slight indication of two, paired, brownish spots at about mid-length and subapically (Figs 129, 224); legs antennae and palpi rufous. Head 1.3 times as long as wide, angulate posteriorly in dorsal view; tempora narrowing posteriad; posterior temporal angles less protruding but distinct, pointed, and surface posteriorly to these angles flattened to slightly impressed (Fig. 129). Eyes medium-sized, moderately convex. Dorsal surface matte, very densely punctured (Fig. 129); punctation double to somewhat heterogeneous, rather evenly developed; punctures shallow, at places nearly contiguous. Setation very short, appressed, with a few, inconspicuous erect setae. Antennae only slightly enlarged in terminal third (Fig. 130); antennomere III twice as long as wide, shorter than IV; antennomere X 1.6 times, XI 1.9 times as long as wide. Pronotum about as wide as long, distinctly wider than head, widely rounded anteriorly in dorsal view. Pronotal disc moderately convex, conspicuous, ist lateral margins forming rather sharp edge, lateral outlines with slightly angular at the widest point and nearly straightly narrowing towards base in dorsal view. Dorsal surface matte, very densely punctured; punctation similar to that on head, puntures slightly larger and rather oval shaped. Setation as on head. Elytra large, 1.7 times as long as wide, conjointly rounded apically. Surface rather glossy, distinctly but rather sparsely punctured (Fig. 129); basal punctation double, coarse basal punctures about as large as those on head but much deeper. Setation longer than on head, subdecumbent setae uniformly pale and evenly directed posteriad; erect setae sparsely scattered, short and inconspicuous. Metafemora unidentate (Fig. 131), subapical process rather strong, pointed apically, facing inner side of tibia. Setation uniformly short, fine, appressed. Abdominal sternum VII nearly evenly rounded posteriorly, simple. Tergum VII simple. Sternite VIII (Fig. 132); paired prongs flattly dilated and bilobed, with some longer setae scattered ventrally and on/near median margin. Tergite VIII simple, with posterior margin very slightly emarginate medially. Aedeagus (Figs 133, 134); apical portion of tegmen 1.9 times as long as basal-piece, simple, narrow, moderately bent in lateral view, with rounded apex; median lobe terminating in a pair of slender, finely membranous lobes. Female. Unknown. Body length (&amp;male;). 4 mm. <b>Type material.</b> Holotype: &amp;male;, LAKE AULD 21.44 S, 123.40 E WESTERN AUSTRALIA 11–17 JUNE 1986 L. CHARLTON // Ex pitfall trap PF 3 // Western Australian Museum Entomology Reg no. 70572 (WAM). <b>Differential diagnosis.</b> <i>C. inflatus</i> <b>sp. nov.</b> can be easily recognized by the combination of the following external characters: head angulate posteriorly in dorsal view; pronotal disc with rather sharply defined lateral margins; elytra large, inflated, pale coloured, without distinct markings (vague brownish spots), with double punctation (distinct coarse punctures), and simply setose (lacking setose bands); metafemora unidentate. Moreover, it differs from all Australian species by the detailed morphology of male sternite VIII and the aedeagus (Figs 132–134). <b>Etymology.</b> From Latin <i>inflatus</i> (inflated, abdominous); named in reference to body proportions (larger relative size of elytra). <b>Distribution.</b> Australia (Western Australia).
description: Published as part of <i>Kejval, Zbyněk, 2009, Taxonomic revision of the genus Chileanthicus Werner (Coleoptera: Anthicidae) 2180, pp. 1-82 in Zootaxa 2180 (1)</i> on pages 50-51, DOI: 10.11646/zootaxa.2180.1.1, http://zenodo.org/record/5313537