Trichiusa hirsuta Casey, 1906

Brunke, Adam J., Klimaszewski, Jan, Dorval, Julie-Anne, Bourdon, Caroline, Paiero, Steven M. & Marshall, Stephen A., 2012, New species and distributional records of Aleocharinae (Coleoptera, Staphylinidae) from Ontario, Canada, with a checklist of recorded species, ZooKeys 186, pp. 119-206 : 157-159

Trichiusa hirsuta Casey, 1906 New Canadian Record Figs 77158-160Map 77

Trichiusa hirsuta Casey, 1906: 329. Lectotype (male): USA, Virginia; hirsuta Casey; Type USNM 39423; Casey bequest 1925; Lectotypus, male, Trichiusa hirsuta Casey, V.I. Gusarov des. 2011 [unpublished designation]; our lectotype designation label, present designation (NMNH).

Material examined.

CANADA: ON:Hald.-Norfolk Reg., Cronmiller prop., 6 km W St Williams, 42°40'20"N, 80°29'29"W, forest, sand ridge, malaise pan, 17.v to 31.v.2011, Brunke & Paiero, 1 (DEBU), Turkey Point Prov. Pk., site 1, 42°41'48"N, 80°19'48"W, forest, malaise pans, 17 to 31.v.2011, Brunke & Paiero, 1 (DEBU); Northumberland Co., Barr prop., 7 km NE Centreton, site 1, 44°7'40"N, 77°58'57W, savannah, malaise pans, 16 to 27.vi.2011, Brunke & Paiero, 1 (DEBU).

Distribution.

Canada: ON; USA: VA. Native.

Comments.

This species is currently recognizable only by the combination of habitus (Fig. 77) and the following sexual characters: median lobe of aedeagus in lateral view with tubus narrowed toward apex and sharply pointed apically (not rounded) (Figs 158-159); spermatheca with large, spherical and basally narrowed capsule bearing a small apical invagination, stem relatively straight, looped and twisted posteriad (Fig. 160).

Unlike Trichiusa robustula , Trichiusa hirsuta was collected from upland forested or semi-forested habitats on sandy soil. More collections will help elucidate the habitat requirements of this species.