Isoforma plauta OPITZ, 2015

Opitz, Weston, 2015, Systematics of the checkered beetle subfamily Platynopterinae SPINOLA (Coleoptera Cleridae), Linzer biologische Beiträge 47 (2), pp. 1513-1572 : 1538

Isoforma plauta OPITZ nov. sp.

( Figs 158 , 175 )

Holotype: ♀. Santa Teresa-ES, Brasil, XII-1964, C. & T. Elias ( DZUP).

Diagnosis: The anterior third of the elytral disc is entirely black. To date, this is unique in the genus.

Description: Size: Length 17.0 mm; width 10.0 mm. Form: As in Fig. 158 . Color: Cranium black; pronotum mostly black, upper sides of disc and midline flavotestaceous; elytral disc mostly black, with medial flavotestaceous fascia. Head: Antennal capitulum very long, each capitular antennomere longer than funicle; antennal carina very prominent; EW/FW 20/22. Thorax: Pronotum transverse; anterior margin linear, not projected at middle; side margins of disc rounded; with two shallow depressions near base; PW/PL 90/78; elytra conspicuously flared; discal carinae faintly developed; EL/EW 400/140. Abdomen: Female pygidium not incised at distal margin.

Natural history: The holotype was collected in December.

Distribution ( Fig. 175 ): Known only from the type locality.

Etymology: The trivial name plauta is a Greek adjective derived from platys (= flat). I refer to the body form of these beetles.

Figures

Figs 157-160: Habitus illustrations of (157) Isoforma planata, holotype; (158) I. plauta, holotype; (159) I. subgilva, holotype; (160) Pilosirus amazonicus, holotype.

Fig. 175: Geographic distribution of species as noted.