Correction of existing generic and species concepts in Platyceroidini (Coleoptera: Lucanidae: Lucaninae) and the description of four new species of Platyceroides Benesh Author Paulsen, M. J. text Zootaxa 2017 4269 3 346 378 journal article 32994 10.11646/zootaxa.4269.3.2 cb56b0e3-1b88-4a89-b478-186e2b30721f 1175-5326 582450 0D7EC140-F88A-49BB-BB62-D2AC8EC6FC1D Platyceroides Benesh, 1946 Type species. Platycerus agassii LeConte , by original designation. Generic description. Length: 7.6–13.2 mm . Width: 3.2–5.8 mm . Color: Black to reddish brown, some with metallic reflections. Head: Anterior margin subtruncate (Fig. 20) or weakly emarginate (Fig. 19), not deeply, semicircularly excised as in Platycerini . Canthus weak but distinct (anterior margin of eye located on dorsal surface of head, per Holloway (1969)) . Antenna partially geniculate; antennal club composed of 3 antennomeres in both sexes. Mandibles short in both sexes (see Figs. 12 A–B), approximately ¼ to ½ length of head; form not strongly sexually dimorphic, simply falcate, at most with weakly indicated teeth internally. Pronotum: Form broadly rounded, narrowly to broadly explanate. Elytra: Surface punctate, punctures arranged in striae or irregularly. Wings: Males with functional wings (except P. keeni ), females flightless in all species. Abdomen: Male genitalia with internal sac (flagellum) permanently everted, with wing-like accessory lobes of median lobe moderately sclerotized when present; form of flagellum variable, with sclerotized armature distally ( Fig. 1 ).