Acalanthis (Kolibac, Jiri 2013)
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Ordo: Coleoptera
Familia: Trogossitidae
Name
Acalanthis Erichson, 1844 – Wikispecies link – Pensoft Profile
- Acalanthis Kolibac, Jiri, 2013, ZooKeys 366: 15-16.
Description
Description. Body size: 6.0-9.0 mm. Body shape elongate. Gular sutures narrow, subparallel at apex. Frontoclypeal suture absent. Frons: longitudinal groove or depression absent. Cranium ventrally: tufts of long setae at sides present. Submentum: ctenidium absent. Antennal groove present. Eyes: size moderate Eyes number: two. Epicranial acumination moderate. Lacinial hooks: two. Galea: shape sub-clavate. Galea: ciliate setae absent. Mediostipes-Lacinia partially fused. Palpifer: outer edge even. Mandibular apical teeth number: two, horizontally situated. Mola reduced but present. Penicillus (at base) present (fine, often membranous). Pubescence above mola or cutting edge present. Ventral furrow present. Basal notch moderate. Labrum-Cranium not fused. Epipharyngial sclerite present. Lateral tormal process: projection curved downwards, processes not connected (Airora). Ligula: ciliate setae absent. Ligula rigid, weakly retroflex, deeply emarginate. Hypopharyngeal sclerite H-shaped. Antenna 10-segmented, Antennal club asymmetrical, sensorial fields present. Front coxal cavities externally closed, internally open. Pronotum cordate. Prepectus absent. Middle coxal cavities closed. Elytra: long hairs present. Epipleuron moderate. Elytral interlocking mechanism present, carinae reduced. Elytral punctation regular, scales absent. Wing: radial cell triangular, wedge cell present, cross vein MP3-4 present, cross vein AA1+2-3+4 absent. Front tibiae: spines along side moderate. Hooked spur present. Claws: denticle absent. Parasternites number along ventrites III-VII: one. Spiculum gastrale absent. Tegmen composed of three parts. Coxitae undivided. Larva: Frontal arms V-shaped. Epicranial stem reduced. Endocarina present. Antennal joints 1 and 2 elongate. Thoracic sclerites pattern (dorsally) 1-2-2. Tergite IX depressed. Urogomphi present, hooked; median process absent.
Distribution
Distribution. Temperate forests of central Chile and Argentina (Arias et al. 2009).
Taxon Treatment
- Kolibac, Jiri; 2013: Trogossitidae: A review of the beetle family, with a catalogue and keys ZooKeys, 366: 15-16. doi
This treatment was originally uploaded by Plazi, compare this treatment on Plazi. Unless this treatment has been substantially changed on Species-ID, Plazi requests to maintain a link back to the original repository.
