Paranagonus, Č, Peter Hlavá, 2009

Č, Peter Hlavá, 2009, The Pselaphinae (Coleoptera: Staphylinidae) of New Caledonia and Loyalty Islands. II. Revision of the tribe Tyrini Reitter, 1882, Zootaxa 2010, pp. 46-56 : 54

Paranagonus gen. nov.

Type species. Paranagonus excavatus sp. nov.

Diagnosis. Head with vertexal foveae devoid of setae, ventrally lacking prominent parallel ridges but with sharp spines, maxillary palpi with segments II–IV pedunculate at base, segment IV triangular, apical pseudosegment present. Pronotum with sharp, very prominent anterior angles and concave anterior margin, with median fovea devoid of setae and large lateral setose fovea. Each elytron with one large basal fovea. Abdomen with first visible tergite (tergite IV) almost twice as long as second (tergite V).

Description. Length 1.9 mm. Head triangular, with broad rostrum which bears large, triangular depression between distinct and prominent antennal tubercles, frontal foveae absent, vertexal foveae well defined, deep, devoid of setae; eyes large, prominent, with about seven facets, temples very short, angular; head ventrally with median gular fovea transverse, with two anterior pits located before eyes well defined, without prominent parallel ridges but with sharp spines; maxillary palpi with segment II pedunculate in basal half; segment III pedunculate at base and longest, almost oval, gradually widening to apex from very abruptly pedunculate base; fourth segment also slightly peduculate at base, with apical pseudosegment. Antennae with all antennomeres covered with dense setae, scape bent and very long, much longer than pedicel, club foursegmented. Neck broad.

Pronotum with anterior angles sharp and very prominent, median fovea distinct and devoid of setae, lateral foveae large and setose; pronotum lacking antebasal sulcus, anterior margin concave. Thorax with median and lateral metaventral foveae.

Elytra short, each elytron triangular with one basal fovea; with striae extending from basal fovea and reaching apex of elytron.

Abdomen longer than elytra, with first visible tergite (tergite IV) longest, almost twice as long as second visible tergite (tergite V), lacking basal depression, sulci or foveae; paratergites VII–X well developed.

Sexual dimorphism. Female unknown.

Remarks. See discussion under Anagonus .

Distribution: New Caledonia.

Etymology. The name is formed as a combination of Greek ” para -”, meaning beside or near, and ” Anagonus ”, showing the relation of the new genus to Anagonus . Gender masculine.