Pterobius itiokai Maruyama 2010, sp. n.
Creators: name: Maruyama, Munetoshi
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Aphodiidae
Pterobius
Pterobius itiokai

description: <i>Pterobius itiokai</i> Maruyama, sp. n. urn:lsid:zoobank.org:act: BB668AEE-029A-4FDC-8127-E0DA27AC3C29 <b>Etymology.</b> Dedicated to the collector of the type series. Dr. Takao Itioka. <b>Type series.</b> <i>Holotype</i>, male, “ MALAYSIA: Sarawak, Taman Negara Bukit Lambir [Lambir Hills National Park], 16.IX.2005, leg. ITIOKA-K.” Mouthparts, left legs and genitalia dissected and mounted on a small glass slide pinned under the specimen. Deposited at the Forest Department of Sarawak, Malaysia. Six paratypes with same data as holotype (deposited in the Kyushu University Museum). <b>Description.</b> Length 3.05–3.30 mm. <i>Body</i> (Figs 1–2) elongate oval, reddish brown, glabrous shining. <i>Head</i> strongly gibbose medially; clypeal margin narrowly reflexed, broadly rounded on each side of shallow, median emargination; sides distinctly emarginate in front of right-angled, protruding genae; clypeal surface densely and finely punctate, with microreticulations. <i>Pronotum</i> rectangular, convex, side margin narrowly deplanate; posterior angles broadly rounded; surface punctures variably-sized, coarse and deep mesally, separated by 1–3 times their diameters. <i>Scutellum</i> narrowly subtriangular. <i>Elytra</i> slightly wider than base of pronotum and about 2.3 times as long <b>Figures 3–9.</b> <i>Pterobius itiokai</i>, new genus and species (holotype). <b>3</b> epipharynx <b>4</b> left antenna, ventral view <b>5</b> foreleg, dorsal view <b>6</b> middle leg, dorsal view <b>7</b> hindleg, dorsal view <b>8</b> aedeagus, dorsal view <b>9</b> aedeagus, lateral view. as pronotum, epipleural margin slightly reflexed, forming obtuse tooth at shoulder; striae finely impressed, strial punctures coarse, deep; intervals slightly convex, smooth, impunctate. Ventral sclerites shining; mesosternum gibbose and smooth in anterior half, posterior half concave, finely and sparsely punctate, at middle with triangular, smooth convexity prolonged to metasternum; metasternum convex, midline fine; surface finely and sparsely punctate; abdominal sternites with fine fluting along sutures and smooth, impunctate surface including that of pygidium. <i>Legs</i> (Figs 5–7) short; all femora sparsely and finely punctate; profemur subquadrate; meso- and metafemora with posterior lines; metatarsus stout, 2/3 times as long as tibia. <i>Male.</i> Penultimate abdominal sternite and disc of pygidium shorter than female; aedeagus as in Figs 8–9. <b>Remarks.</b> This species is similar to species of the genus <i>Cnematoplatys</i> in general appearance but are easily distinguished from them by the margined elytra, the thick meso- and metatarsi. and the 4-segmented metatarsi.
description: Published as part of <i>Maruyama, Munetoshi, 2010, A new genus and species of myrmecophilous aphodiine beetle (Coleoptera, Scarabaeidae) inhabiting the myrmecophytic epiphyte Platycerium sp. (Polypodiaceae) in the Bornean rainforest canopy, pp. 49-54 in ZooKeys 34 (34)</i> on pages 51-52, DOI: 10.3897/zookeys.34.281, http://zenodo.org/record/576604