dcsimg

Description

provided by Zookeys
(according to Leschen and Lackner 2013). Body size: 7.2–9.1 mm. Colour of body black. Dorsal vestiture consisting of scales. Head extending beyond anterior angles of pronotum. Frons more or less horizontal with mandibles visible from above. Median lobe of clypeus absent. Edge of labrum straight. Eyes entire. Gena acute. Supraocular scales present. Antenna 11-segmented with a loose club; lengths of antennomere II and III equal; antennomere XI circular, about as long as wide. Prothorax with lateral carinae unevenly crenulate; anterior angles projecting or acute; posterior angles angulate. Surface of pronotal disc even; punctation uniform and bearing scales. Procoxae visible in lateral view. Hypomeron bearing scales; anterior portion rugose. Length of elytra 4 × as long as pronotum or even longer; seven elytral carinae present, not beaded and not rising significantly above surface of elytral disc; sublateral keel absent; intercarinal space bipunctate; window punctures present and simple; intercarinal scales never countersunk within punctures; lateral carina simple; epipleuron visible in lateral view. Hind wings present, fully developed; MP3 spur absent. Aedeagus (Kolibáč 2005) with parameres apically angulate; inner outline between parameres weakly sinuate or straight; length of parameres longer than base of tegmen. Protibial edge smooth, mucro absent; protibial spurs longer than tarsomere 2, anteriormost protibial spur greatly enlarged. Larva (according to Kolibáč 2005): Frontal arms V-shaped. Epicranial stem reduced. Endocarina present. Mandibular apical teeth number: two, horizontally situated. Lacinia mandibulae with several small spines. Mola absent. Maxillary palpi 3-segmented. Mala: bidentate protrusion absent. Cardo: size much smaller than stipes. Ligula absent. Labial palpi 2-segmented. Prementum in single part. Antennal joints 1 and 2 elongate. Thoracic sclerites pattern (dorsally) 1-2-2. Abdominal segment IX not divided. Tergite IX flat. Urogomphi present, hooked; median process absent.
license
cc-by-3.0
copyright
Jiří Kolibáč
bibliographic citation
Kolibáč J (2014) Trogossitidae: A review of the beetle family, with a catalogue and keys ZooKeys 366: 1–194
author
Jiří Kolibáč
original
visit source
partner site
Zookeys

Distribution

provided by Zookeys
Russian Far East, Mongolia, North Korea, North-eastern China, Japan: Hokkaido, Tsushima.
license
cc-by-3.0
copyright
Jiří Kolibáč
bibliographic citation
Kolibáč J (2014) Trogossitidae: A review of the beetle family, with a catalogue and keys ZooKeys 366: 1–194
author
Jiří Kolibáč
original
visit source
partner site
Zookeys