Agrypnus indicus, Sarkar & Saha & Raychaudhuri, 2025

Sarkar, Sutirtha, Saha, Sumana & Raychaudhuri, Dinendra, 2025, Five new click beetles of Agrypnus Eschscholtz, 1829 (Elateridae: Agrypninae) from Buxa Tiger Reserve, West Bengal, India, Records of the Zoological Survey of India 125 (2), pp. 97-109 : 100-103

Agrypnus indicus sp. nov.

( Figs. 13-18 ; Pl. I, Figs. V, VI)

Agrypnus indicus in Sarkar et al. 2015: 88, nomen nudum

Description:

Male ( Fig. 13 ; Pl. I, Figs. V, VI). Body length: 9.13, width:

2.43.

Body ( Fig. 13 ; Pl. I, Fig. V) red brown, surface shining. Setae pale brown, curved, few erect, evenly distributed.

Head ( Fig. 13 ) red brown, marginally blackish. Setae pale brown. Punctation simple. Frons broader than long. Frontal carina faintly impressed. Vertex weakly concave. Eye dark brown, round, with distinct facets. Labrum brown, black, flat, broader than long, anterior margin convex. Mandible medially red brown, margin black, dentate, apically round, blunt. Antennae brown, extending beyond the middle of the pronotum. First segment robust. Third smallest. Fourth onward serrate and subequal. The last segment constricted near the apex.

Pronotum ( Fig. 13 ) red brown, with anterior margin blackish, as long as wide, disc convex, medially with a longitudinal shallow groove near slope, punctation ( Fig. 14 ) simple. Submarginal line present. Anterior margin straight, with round anterior angle. Lateral margin crenulate, more or less straight, sinuate before hind angle. Hind angle truncated.

Scutellum ( Fig. 13 ) brown, pentagonal, flat, setae dense, basally emarginate, convex.

Elytra ( Fig. 13 ) 2.33x longer than pronotum, red brown, striae punctate, interstriae flat, punctation ( Fig. 15 ) simple, basally emarginate, apically round, weakly spinose along suture.

Prosternum red brown, longer than wide, convex, with distinct brown chin piece, punctation simple. Pronotosternal suture concave, broadly open up to the middle of the prosternum. Hypomeron strongly grooved for accommodating protarsi. Prosternal spine long, emarginated, apically round.

Mesepisternum and mesepimeron do not form part of the margin of the mesocoxal cavity. Metasternum with groove for receiving mesotarsi.

Metacoxal plate round at middle.

Abdomen red brown, punctation simple, setae evenly distributed.

Leg ( Fig. 16 ) brown, tarsal claw ( Fig. 17 ) simple, setae present at base.

Genitalia ( Fig. 18 ; Pl. I, Fig. VI):

Basal piece wide, arms rounded at apex, anterior margin broadly ‘U’ shape, posterior margin curved, corners of posterior and lateral margin projected, lateral margin straight, uniformly sclerotized; median lobe longer than parameres, uniformly sclerotised, arms of median lobe long, curved, pointed at base, not exceeding ventral posterior marginof parameres, median lobe gradually narrowing from base to apex, apex rounded, furcae not reaching the anterior margin of parameres; inner lateral margin of parameres strongly sclerotised, outer lateral margin sinuate, beyond broadend, distally deeply concave, forming posteriorly directed distal teeth, apex rounded, more than seven hairs on apex.

Figures

Figs. 13-18: 13. Dorsal habitus; 14. Pronotal puncture; 15. Elytral puncture; 16. Leg; 17. Claw; 18. Male genitalia