Egolia Erichson, 1842

Kolibac, Jiri, 2013, Trogossitidae: A review of the beetle family, with a catalogue and keys, ZooKeys 366, pp. 1-194 : 18-19

Genus Egolia Erichson, 1842 Fig. 3 ; Map 3

Egolia Erichson, W. F. 1842: 150.

Type species.

Egolia variegata Erichson, 1842 [by monotypy]

Léveillé, A. 1910: 4. Crowson, R. A. 1970: 13. Kolibáč, J. 2005: 54. Kolibáč, J. 2006: 111 (phylogeny). Reitter, E. 1876: 8

Description.

Body size: about 9.0 mm. Body shape elongate. Gular sutures narrow, subparallel at apex. Frontoclypeal suture absent. Frons: longitudinal groove or depression absent. 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 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 retroflexed, 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 absent. 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 reduced. Hooked spur absent, apical spurs not hooked or weakly hooked. Claws: denticle absent. Parasternites number along ventrites III-VII: one. Spiculum gastrale absent. Tegmen composed of three parts.

Larva: Frontal arms V-shaped. Epicranial stem absent. Endocarina present. Gular sutures conspicuous, parallel. Gula: anterior apodemes absent. Paragular sclerites present. Hypostomal rods absent. Stemmata number: 3. Mandibular apical teeth number: two, horizontally situated. Lacinia mandibulae absent. Mola absent. Maxillary palpi 3-segmented. Palpifer present. Pedunculate seta absent. Mala bilobed. Mala: bidentate protrusion absent. Cardo-Stipes not fused. Cardo: size much smaller than stipes. Ligula absent. Labial palpi 2-segmented. Prementum consists of two parts. Torma: single compact plate. Antennal joints 1 and 2 elongate. Sensory appendix medium-sized (reaching half-way along joint 3). Thoracic sclerites pattern (dorsally) 1-2-2. Tro chanter triangular. Abdominal segment IX not divided. Tergite IX depressed. Urogomphi present, hooked; median process absent.

Biology.

Probably predatory.

Distribution.

Australia: Tasmania; Tahiti?

Species:

Egolia variegata Erichson, 1842; Tasmania, Tahiti (AL)

Léveillé, A. 1910: 4. Kolibáč, J. 2005: 54 (redescription). Reitter, E. 1876: 8

Figures

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.

Map 3. A distribution of the tribe Egoliini.