Procraerus duffetsorum, Platia & Pulvirenti, 2023

Procraerus duffetsorum n. sp.

( Fig. 6, 27, 60)

ZooBank:http://zoobank.org/ C0EC165D-24B9-429A-BB7B-78C996985724

Holotype, ♂, Malaysia, Sabah, Danum Valley, 70 km W of Lahad Datu, Main trail East , 150 m, 4.XII.1989, M. J. & J. P. Duffets ( CPG).

Diagnosi s. – Species of the P.babai -group sensu Schimmel, 1999, allied to P. triangulum Schimmel, 1999 from Mindanao ( Philippines) as it is the second species among the Procraerus genus with the third antennal article triangular, it can be separated for the darker colour with unicoloured elytra and the narrower body.

Description. – Male.

Shiny.

Coloration. – Entirely brownish with the extremities of the anterior angles and the base of pronotum lighter, yellowish; antennae and legs ferruginous; covered with dense, recumbent, semierect at sides, yellow-fulvous pubescence.

Head. – Frons convex with suprantennal carinae directed anteriad and downwards v-shaped and merging vertically with the clypeus; punctuation uniformly distributed, punctures deep, simple with shortest, shiny intervals. – Antennae nearly reaching the apices of posterior angles of pronotum, serrated from the third article on; second article small, cylindrical, long as wide, third-tenth sub- triangular1.5x longer than wide just shorter than the fourth; fourth-tenth triangular, slightly concave at the apices, subequal in length, more serrated, last just longer, sub-ellipsoidal, asymmetrically and slightly constricted before the apex. (Fig. 27).

Pronotum. – Long aswide, at the middle and the apices of posterior angles, convex with a short, impressed, mid-longitudinal line from the middle to the beginningof thebasalslope sides from the middleverygraduallytaperingtothe anterior margin, backwardsparalleltothe apicesof the posterior angles, the latter long, acuminate, not divergent with a well apparent but not raised carina slightly divergingfrom thelateral margins,the latter completeand wellvisible inthe first half in a dorsal view; punctuationuniformlydistributed, punctures deep, simple, always with shortest, shiny intervals.

Scutellum . – Tongue-shaped, ridged at base, convex, punctured.

Elytra. – 2.7x longer than pronotum and 2.7x longer than wide, convex; sides sub-parallel from the base to the middle then very gradually tapering to the apices, these rounded; striae well marked and punctured on all the surface, interstriae flat, punctured with a rough surface. Prosternal process slender, bent immediately behind the procoxal cavities, running horizontally after the middle, pointed and not emarginate at apex.

Tarsal segments. – Decreasing regularly in length, claw simple.

Aedeagus. – As in the Fig. 6 (length 1.15 mm).

Size. – Length 10.5 mm; width 2.65 mm.

Female. – Unknown.

Ecological notes. – Canopy rainforest, at light.

Etymology. – The species is dedicated to the collectors M. J. & J. P. Duffets.