Eupycnus Sharp, 1891

Kolibac, Jiri, 2013, Trogossitidae: A review of the beetle family, with a catalogue and keys, ZooKeys 366, pp. 1-194 : 49

Genus Eupycnus Sharp, 1891 Fig. 7 ; Map 5

Eupycnus Sharp, D. 1891: 415.

Type species.

Eupycnus lentus Sharp, 1891 [by monotypy]

Léveillé, A. 1910: 14. Kolibáč, J. 2005: 56 (redescription). Kolibáč, J. 2006: 116 (phylogeny)

Description.

Body size: about 7.5 mm. Body shape elongate. Gular sutures wide, convergent at apex. Frons: longitudinal groove or depression absent. Cranium ventrally: tufts of long setae at sides present. Antennal groove present. Eyes: size flat. Eyes number: two. Epicranial acumination moderate. Mandibular apical teeth number: two, vertically situated. Labrum-Cranium not fused. Ligula: ciliate setae present. Ligula rigid, not retroflexed, weakly emarginate. Hypopharyngeal sclerite consisting of two separate parts. Antenna 11-segmented. Antennal club asymmetrical, sensorial fields present. Front coxal cavities externally closed, internally open. Pronotum subquadrate. Prepectus absent. Middle coxal cavities open. Elytra: long hairs absent. Epipleuron moderate. Elytral interlocking mechanism present, carinae reduced. Elytral punctation regular, scales absent. Wing: radial cell open (outer vein present), wedge cell absent, cross vein MP3-4 absent, cross vein AA1+2-3+4 absent. Front tibiae: spines along side large. Hooked spur present in all tibiae. Claws: denticle absent. Parasternites number along ventrites III-VII: one. Spiculum gastrale present. Tegmen composed of three parts.

Biology.

Predatory. The single described species probably has the same way of life as Tenebroides species.

Distribution.

Mexico. One undescribed species is known to me from Cuba.

Species:

Eupycnus lentus Sharp, 1891; Mexico (AL)

Léveillé, A. 1910: 14. Kolibáč, J. 2005: 56 (redescription)

Figures

Map 5. A distribution of the tribe Trogossitini.

Figure 7. A Eupycnus lentus B Melambia crenicollis C Melambia striata D Leipaspis lauricola E Nemozoma cornutum F Nemozoma elongatum G Nemozoma caucasicum H Parallelodera quadraticollis I Temnoscheila pini.