Liogluta quadricollis (Casey, 1894)

Klimaszewski, Jan, Webster, Reginald P., Langor, David W., Sikes, Derek, Bourdon, Caroline, Godin, Benoit & Ernst, Crystal, 2016, A review of Canadian and Alaskan species of the genus Liogluta Thomson, and descriptions of three new species (Coleoptera, Staphylinidae, Aleocharinae), ZooKeys 573, pp. 217-256 : 226

Liogluta quadricollis (Casey, 1894) Figs 16-22

Anepsiota quadricollis Casey, 1894: 330. As Atheta (Liogluta) : Bernhauer and Scheerpeltz 1926: 658. Holotype (female). Canada, British Columbia, Vancouver Island, Anepsiota quadricollis ; Type USNM 39471 (USNM). Examined.

New locality data.

Canada: British Columbia: Hwy 5 at Juliet Creek, 25.IX.1994, Lot 2 [in forest under rocks in poplar stand], B.F. & J.L. Carr, J. & B. Carr Coll., bequested to CNC August 2000 (1 ♂, CNC).

Diagnosis.

This species may be distinguished by the following combination of characters: body subparallel, slender, bicoloured, pronotum orange and remainder of body dark brown to reddish-brown; length 4.1-4.3 mm (Fig. 16); integument of forebody with weak meshed microsculpture, surface highly glossy; head slightly narrower than pronotum; pronotum subquadrate; antennae enlarged and black to brown; elytra about as wide as pronotum and at suture about as long as pronotum; basal two articles of metatarsus distinctly elongate, subequal in length, each longer than third article. New description of male. Apical margin of tergite VIII with broad, obtusely triangular projection in almost middle half with rounded lateral angles (Fig. 18); sternite VIII elongate, rounded apically, with antecostal suture arcuate, well separated from basal margin (Fig. 19); median lobe of aedeagus with tubus short and sinuate, its subapical part narrowly elongate in lateral view, internal sac structures distinct (Fig. 17). Female. Tergite VIII with apical margin obtusely angulate, broadly rounded at middle (Fig. 20); sternite VIII shallowly, broadly emarginated medially (Fig. 21); spermatheca with a short club-shaped capsule and short apical invagination, stem long and highly sinuate (Fig. 22).

Natural history.

The holotype and the other BC specimen were collected in September, the Carrs collected a male under a rock in a poplar stand.

Distribution.

Vancouver Island, British Columbia ( Casey 1894).