Oligota inflata (Mannerheim)

Klimaszewski, Jan, Larson, David J., Labrecque, Myriam & Bourdon, Caroline, 2016, Twelve new species and fifty-three new provincial distribution records of Aleocharinae rove beetles of Saskatchewan, Canada (Coleoptera, Staphylinidae), ZooKeys 610, pp. 45-112 : 80

Taxon classification Animalia Coleoptera Staphylinidae

Oligota inflata (Mannerheim) Figs 80-86

Diagnosis.

Body length 1.4-1.5 mm, compact, subparallel, piceous to nearly black, with legs/tarsi, three basal antennal articles, maxillary palps, posterior edge of elytra, and tip of abdomen yellowish brown (Fig. 80); moderately glossy; integument with microsculpture mesh-like on head and pronotum, and coarse, scale-like on elytra and abdomen (Fig. 80); pubescence sparse and long; head transverse with pubescence directed anteriad; eyes large, and protruding (Fig. 80); antennae with four apical articles forming loose club, articles VI–VII narrow and VIII-X moderately to strongly transverse (Fig. 80); pronotum strongly transverse, lateral margins strongly converging apicad, pubescence directed obliquely laterad (Fig. 80); elytral margins broadly arcuate laterally with pubescence directed obliquely laterad (Fig. 80); abdomen gradually narrowed apically. MALE. Tergite VIII truncate apically (Fig. 82); sternite VIII with apical margin arcuate (Fig. 83); median lobe of aedeagus with tubus long, arcuate, and apex hooked ventrally in lateral view, bulbus moderately long with small and irregularly oval crista apicalis (Fig. 81). FEMALE. Tergite VIII truncate apically (Fig. 84); sternite VIII broadly rounded and slightly produced apically (Fig. 85); pygidium as illustrated (Fig. 86); spermatheca not found.

Distribution.

Natural history.

The SK specimens were found in compost and new brome/alfalfa hay. Collecting period: June, August and September

Comments.

Oligota inflata is a Palaearctic species known from Europe, N. Africa, Congo, Egypt, and Brazil. It is reported here for the first time from North America.