Gratshevbelus erici, Soriano, 2009

Soriano, Carmen, 2009, First record of the family Belidae (Insecta, Coleoptera) in amber. New genus and species from the uppermost Albian amber of France, Geodiversitas 31 (1), pp. 99-104 : 101

Gratshevbelus erici n. sp. ( Fig. 1 )

ETYMOLOGY. — Species named after the collector of the amber piece, Éric Dépré.

HOLOTYPE. — ARC328.2 , inclusion of a complete beetle, collected by Éric Dépré; deposited in the Muséum national d’Histoire naturelle, Paris.

DIMENSIONS. — Body length including rostrum 2.8 mm, excluding rostrum 2.2 mm.

DESCRIPTION

Rostrum slightly longer than head and pronotum combined and 6 times longer than wide, nearly parallel-sided, and without noticeable punctation. Antennae inserted at apical third of length of rostrum; first antennal segment almost as wide as the second, and 1.4 times longer, somewhat widened distally, and about 3 times longer than broad; funicular segments almost parallel-sided, first two segments equal in length, about 2.3 times longer than broad, third to fifth 1.2 times shorter than first and second, sixth and seventh 1.3 times shorter and gradually narrowed; club as long as the previous four segments combined, maximum width 2 times the width of last funicular segment; first two segments of the club almost conical, first almost as wide as long, second slightly wider than long, third club segment oviform and rounded at apex, about 1.4 times longer than the second. Frons without noticeable punctation. Pronotum 1.2 times as long as wide, with basal arcuate emargination, with dense and very small tubercles on the dorsal part. Elytra 2.6 times as long as wide, and 2.7 times longer than pronotum, elongate-oval, with acute apical angles, lateral margins almost straight, moderately densely tuberculate. Abdominal sterna without noticeable punctation, all ventrites sub-equal in length. Femora covered with fine pilosity; forefemora slightly shorter than pronotum, midfemora much longer and elongated, weakly clavate; hind femora slightly shorter and strongly clavate, widened at their medial last part. Tibiae about as wide as rostrum, with very dense and fine pubescence. Mid- and hind tarsi slightly longer than midtibiae; first tarsal segment triangular, 1.4 times longer than wide, wider at apex, second almost as long as wide at apex, third as long as the second.

Figures

FIG. 1. — Gratshevbelus erici n. gen., n. sp., holotype ARC328.2: A, photograph; B, camera lucida drawing. Scale bars: 1 mm.