Larinotus Carter & Zeck, 1937

Kolibac, Jiri, 2013, Trogossitidae: A review of the beetle family, with a catalogue and keys, ZooKeys 366, pp. 1-194 : 12-13

Genus Larinotus Carter & Zeck, 1937 Fig. 3 ; Map 2

Colydidae Carter, H. J. & Zeck, E. H. 1937: 186. (sub)

Type species.

Larinotus umblicatus Carter & Zeck, 1937 [by monotypy]

Kolibáč, J. 2005: 62 (redescription). Kolibáč, J. 2006: 111 (phylogeny). Ślipiński, S. A. 1992: 455 (redescription)

Nebophilus Crowson, 1970 [type species: Nebophilus hirsutus Crowson, 1970; designated by author]

Crowson, R. A. 1970: 14. Lawrence, J. F. 1980: 307 (synonymized with Larinotus umblicatus )

Description

(see also Crowson 1970, Ślipiński 1992). Body size: 3.5 mm. Body shape convex (not conglobate). Gular sutures wide, convergent at apex. Frontoclypeal suture present. Frons: longitudinal groove or depression absent. Cranium ventrally: tufts of long setae at sides absent. Submentum: ctenidium absent. Antennal groove present. Eyes: size moderate. Eyes number: two. Epicranial acumination moderate. Lacinial hooks: two. Galea: shape elongate. Galea: ciliate setae absent. Mediostipes-Lacinia not fused. Palpifer: outer edge even. Mandibular apical teeth number: two, horizontally situated. Mola present. Penicillus (at base) absent. Pubescence above mola or cutting edge absent. Ventral furrow absent. Basal notch shallow or absent. Labrum-Cranium not fused. Epipharyngial sclerite absent. Lateral tormal process: projection curved downwards, processes with bridge ( Peltis ). Ligula: ciliate setae absent. Ligula rigid, not retroflex, weakly emarginate. Hypopharyngeal sclerite consisting of two separate parts. Antenna 9-segmented. Antennal club symmetrical, sensorial fields absent. Front coxal cavities externally closed, internally open. Pronotum transverse. 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 absent, cross vein AA1+2-3+4 present. Front tibiae: spines along side reduced, hooked spur present. Claws: denticle absent. Spiculum gastrale absent. Tegmen composed of two parts.

Larva: Frontal arms weakly curved. Epicranial stem reduced. Endocarina present. Gular sutures conspicuous, parallel. Gula: anterior apodemes present. Paragular sclerites absent. Hypostomal rods absent. Stemmata number: five. Mandible apical teeth number: two, horizontally situated. Lacinia mandibulae with several small spines. Mola absent. Maxillary palpi 3-segmented. Palpifer present. Pedunculate seta absent. Mala simple. Mala: bidentate protrusion absent. Cardo-Stipes not fused. Cardo: size much smaller than stipes. Ligula absent. Labial palpi 2-segmented. Prementum in single part, anterior margin projecting. Torma: two separate lateral sclerites. Antennal joints 1, 2 transverse. Sensory appendix larger than half of joint 3. Thoracic sclerites pattern (dorsally) 0+0+0. Thoracic sclerites pattern (ventrally) 0+0+0. Trochanter triangular. Abdominal segment IX not divided. Tergite IX depressed. Urogomphi minute; median process absent.

Biology.

The larvae and adults were found together by J. Doyen " in rotten wood beneath resupinate fungi " ( Ślipiński 1992).

Distribution.

Australia: Northern Queensland.

Species:

Larinotus umblicatus Carter & Zeck, 1937; Australia: Queensland (varA)

Carter, H. J. & Zeck, E. H. 1937: 186. Crowson, R. A. 1970: 16 ( Nebophilus hirsutus ). Lawrence, J. F. 1980: 307 (syn. Nebophilus hirsutus Crowson, 1970; synonymized by author). Ślipiński, S. A. 1992: 455 (redescription adult, description larva). Kolibáč, J. 2005: 62

Figures

Map 2. A distribution of the tribe Larinotini.

Figure 3. A Calitys scabra B Larinotus umblicatus C Acalanthis quadrisignata D Calanthosoma flavomaculata E Calanthosoma (syn. Marnia) sipolisi F Egolia variegata G Necrobiopsis tasmanicus.