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Click beetles of Taiwan collected by the expeditions of HNHM (Coleoptera: Elateridae) 67Procraerus sonami (MIWA, 1929)Megapenthes sonami MIWA, 1929b: 494.Procraerus sonami (MIWA, 1929): SUZUKI, 1999: 148.Material examined – 1 male. Taiwan: Kaohsiung Hsien, nr. Liukuei, Shanping LTER site,UV light trap, 1.IV.2003, L. PAPP & M. FÖLDVÁRI.Procraerus yagii KISHII, 1994Procraerus yagii KISHII, 1994b: 7; SUZUKI, 1999: 150.Material examined – 1 female. Taiwan: Kaohsiung County, Liu-Kuei, Sang-Ping ForestRes. St., 22°58’16”N, 120°41’15”E, 14–15.IV.1997, L. PEREGOVITS & A. KUN.Genus Wallaceus SCHIMMEL, 2004Wallaceus ronkayi sp. n.(Figs 21–22)Material examined – 1 male. Pingtung County, 10 km E of Mutan, 400 m, at light,7–8.IV.1997, G. CSORBA & L. RONKAY (HNHM).Description – Male. Moderately shiny on head and pronotum, rather dull on elytra; head andthe great part of pronotum except for the basal declivity and hind angles, blackish; basal declivity ofpronotum including hind angles, basal sloping of elytra and legs yellow; antennae and the remainingelytral part yellow-fuscous; covered with long, recumbent, fulvous vestiture (Fig. 21). Frons convex,anterior margin widely V-shaped reaching the middle of clypeus; puncture coarse, umbilicate,with shortest interspaces. Antennae elongate, exceeding by nearly three antennomeres the apicesof posterior angles of pronotum, serrate from fourth antennomere; second and thirdantennomeres subequal in length, subcylindrical, a little longer than wide, taken together muchshorter than fourth; fourth to tenth triangular, very slender, more than three times longer thanwide; last antennomere a little longer than penultimate, subellipsoidal, constricted apically.Pronotum 1.1 times wider than long, widest behind the middle and at posterior angles; veryconvex, nearly vertically sloping at base with a narrow, shallow midlongitudinal furrow in thedeclivity; sides strongly arcuate, from behind the middle towards apex strongly narrowing, posteriorlysinuate to hind angles, the latter very acute, strongly diverging, with a prominent carinadirecting inside; lateral margins complete, in a dorsal view apparent in the first half; punctationcoarse and rather uniform; punctures on the disk umbilicate with short, shiny interspaces, graduallylarger at sides, strongly umbilicate with interspaces more or less shagreened. Scutellumlong, pointed triangular, flattened, coarsely punctate at sides, finely shagreened on central part.Elytra a little narrower than base of pronotum, 2.8 times longer than the latter, ratherabruptly sloping at base; sides subparallel for about the two third of its length, then gentlynarrowing to apex, the latter scarcely emarginate; striae well marked and deeply punctured;Annls hist.-nat. Mus. natn. hung. 99, 2007