Dicronychus stolatoides, Platia & Ahmed, 2016

Platia, Giuseppe & Ahmed, Zubair, 2016, Contribution to the fauna of click beetles (Coleoptera: Elateridae) from Pakistan., Arquivos Entomolóxicos 16, pp. 3-28 : 15-16

Dicronychus stolatoides n. sp. ( Figs. 15, 15a , 59 )

Material examined. Holotype ♂ - Pakistan: Tharparkar distr. , Mithi, 18.IX.2012 ( ZACP); 2 Paratypes ♂ - same data as HT ( CPG).

Diagnosis. A species comparable with D. stolatus (Erichson, 1840) for the general shape, colour and size it is easily separated by the very visible double punctuation of pronotum.

Description.

Male. Moderately shiny; head, pronotum except the anterior angles yellowish, scutellum, first elytral interstria black to dark ferruginous, remaining part of elytra, antennae and legs yellowish; covered with dense, yellow-fulvous pubescence.

Frons convex, flat before the anterior margin, this regularly arcuate and just protruding above the clypeus; punctuation very dense, double; larger punctures are more or less regularly mixed with finer punctures with very short intervals.

Antennae not reaching for more of two articles the apices of posterior angles of pronotum slightly serrated from third article on; second article subcylindrical, twice longer than wide and 1,5x shorter than fourth; fourth-tenth subtriangular, on average twice longer than wide, last subellipsoidal.

Pronotum just wider than long, widest at the middle, strongly convex, abruptly sloping at sides and at base, sides arcuate, from the middle converging and very slightly sinuate before the posterior angles, the latter short, truncate, just divergent with fine carina; l ateral suture-like margins obsolete at the anterior third; punctuation dense, uniformly distributed, double, larger, deep, simple punctures are regularly mixed with extremely fine punctures with very small and smooth intervals.

Scutellum heart-shaped, as long as wide, impressed at middle and deeply emarginate at the middle of the base, very finely punctured.

Elytra 2,2x longer than pronotum and as wide as it, convex, ovaliform with sides widest at the middle, striae well marked and punctured, interstriae flat with very fine punctures.

Claws dilated in the first half.

Male genitalia as in the Figs. 15, 15a (length 1.03 mm).

Female. Unknown.

Size. Length 6.6-7.0 mm; width 2.0-2.15 mm.

Etymology. The name is derived from the similarity of the species with Dicronychus stolatus (Erichson, 1840) .

Figures

Figs. 15-16.- Male genitalia in dorsal view. 15, 15a.- Dicronychus stolatoides n. sp. 16, 16a.- Dicronychus oxypterus (Candèze, 1860).

Figs. 54-65.- Habitus in total or partial view. 63 54.- Cardiophorus tharensis n. sp. 55.- Cardiophorus doggerioides n. sp. 56.- Cardiophorus pakistanicus Platia, 2015 (♀). 57.- Dicronychus islamabadensis n. sp. 58.- Dicronychus mithiensis n. sp. 59.- Dicronychus stolatoides n. sp. 60.- Dicronychus oxypterus (Candèze, 1860). 61.- Dicronychus stolatus (Erichson, 1840) (♀). 62.- Phorocardius pakistanicus n. sp. (♂). 63-64.- Phorocardius pakistanicus n. sp. (♀♀). 65.- Phorocardius tibialis n. sp. (♂).