Isoforma fritilla OPITZ, 2015

Opitz, Weston, 2015, Systematics of the checkered beetle subfamily Platynopterinae SPINOLA (Coleoptera Cleridae), Linzer biologische Beiträge 47 (2), pp. 1513-1572 : 1537

Isoforma fritilla OPITZ nov. sp.

( Figs 70 , 155 , 175 )

Holotype: ♀. Piste de Belizon pk 12, 1 Marz 1987, Guyane ( French Guiana), piégeage lumineux, Henri Cevaer ( FSCA).

Diagnosis: The holotype has two testaceous fascias on the elytral disc. To date, this is unique in the genus.

Description: Size: Length 15.0 mm; width 7.0 mm. Form: As in Fig. 155 . Color: Cranium mostly testaceous, epicranium and venter brown; pronotum mostly black, upper sides of disc testaceous; elytral disc mostly black, with basal and medial testaceous fasciae. Head: Antennal capitulum very long ( Fig. 70 ), each capitular antennomere longer than funicle; antennal carina very prominent; EW/FW 25/35. Thorax: Pronotal anterior margin linear, not projected at middle; side margins of disc rounded at middle; PW/PL 108/85; elytra conspicuously flared; discal carinae faintly developed; EL/EW 400/110. Abdomen: Female pygidium not incised at distal margin.

Natural history: The holotype was collected in March.

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

Etymology: The trivial name fritilla is a Latin adjective derived from fritillus (= spotted). I refer to the black macula on the elytral disc.

Figures

Figs 70-80: Antennae. (70) Isoforma fritilla, female; (71) I. goryi, female; (72) Isoforma planata, female; (73) Pilosirus brunoi, male; (74) Isoforma subgilva, female; (75) Pilosirus amazonicus, female; (76) P. fasciatus, female; (77) Platynoptera carti, male; (78) P. flavohumeralis, male; (79) P. humeralis, male; (80) P. lyciformis, male.

Figs 153-156: Habitus illustrations of (153) Aspitonis undulicornis, holotype; (154) Isoforma biguttula, holotype; (155) I. fritilla, holotype; (156) I. goryi, non-type.

Fig. 175: Geographic distribution of species as noted.