Ptenidium grande sp. n.

(Figs. 5, 21, 33a–b, 42, 44, 48, 49)

Habitus Fig. 5. Length 1.27 mm. Colour black, shining, appearing polished, antennae and legs dusky yellow. Dorsum very finely punctulated and pubescent, particularly towards the lateral margins. Antennomeres 3–11 0.43 mm long. Head with shorter, thicker pubescence on frons, temples slightly raised over antennal insertions. Width across eyes 0.35 mm. Mentum and submentum Fig. 44. Pronotum with narrow lateral margins just turning onto anterior angles and with setae at hind angles, 0.55 mm wide, 0.33 mm long. Elytra 0.77 mm long, 0.58 mm wide. Scutellum with a very small central basal keel and two large punctures situated medially. Proventral keel between procoxae Fig. 21. Mesoventral collar and keel Fig. 49.

Male: aedeagus Figs. 33 a–b; ventrite VI with medial patch of setae; anterior margin forming two pits and posterior margin with two semi-circular incisions Fig. 48; ventrite VII Fig. 42.

Female: not known.

Etymology. Refers to the large size of the species.

Diagnosis. Distinguished by its large size.

Type data: Holotype: ♂, PERU: Cusco Dept.: Villa Carmen Field Station, cafeteria ~ 1.7 km west, research transect, 12.89250°S 71.41917°W, 555m, 21–22.V.2011, D.J.Bennett & E. Razuri, flight intercept trap, PER-11- FIT-007 (MUSM).