Geodromicus strictus Fauvel, 1889

Webster, Reginald P., Sweeney, Jon D. & DeMerchant, Ian, 2012, New Staphylinidae (Coleoptera) records with new collection data from New Brunswick, Canada: Omaliinae, Micropeplinae, Phloeocharinae, Olisthaerinae, and Habrocerinae, ZooKeys 186, pp. 7-29 : 10

Geodromicus strictus Fauvel, 1889 Map 6

Material examined.

Additional New Brunswick records. Albert Co., Caledonia Gorge P.N.A. at Caledonia Creek, 45.7935°N, 64.7760°W, 1.VII.2011, R. P. Webster, shaded, rocky, cold, clear brook, splashing exposed rocks (3, NBM). Carleton Co., Jackson Falls, 46.2257°N, 67.7437°W, 12.IX.2009, R. P. Webster, river margin near waterfalls, splashing moss near splash zone of waterfalls (5 ♂, 6 ♀, NBM, RWC). Madawaska Co., Edmunston, 22.VI.1983, L. LeSage, small creek with bottom of cobbles (1, CNC); Gagné Brook at First Lake, 47.6077°N, 68.2534°W, 23.VI.2010, M. Turgeon & R. Webster, northern hardwood forest, shaded brook among gravel on gravel bar, splashing and turning pebbles (1 ♂, NBM); Jalbert Brook, 262 m elev., 47.6470°N, 68.3026°W, 23.VI.2010, R. P. Webster, old growth mixed forest, shaded brook, in gravel on gravel bar (2 ♂, NBM, RWC). Northumberland Co., Trout Brook, 22.VII.1962, J. Marshall (1, CNC). Restigouche Co., Jacquet River Gorge P.N.A., Jacquet River, 47.8164°N, 66.0873°W, 15.VIII.2010, R. P. Webster, clear rocky fast flowing river, splashing rocks in middle of river (2 ♂, 1 ♀, NBM, RWC); Kedgwick Forks, 47.9085°N, 67.9057°W, 22.VI.2010, R. P. Webster, on exposed rocks in middle of river (2 ♀, NBM, RWC).

Collection and habitat data.

In New Brunswick, Geodromicus strictus was usually found on exposed rocks and among cobblestones in the middle of clear, fast-flowing rivers or in moss on rocks adjacent to fast-flowing water near waterfalls. A few adults were collected from cobblestones in shaded brooks. Adults were collected by splashing rocks or cobblestones. This species was collected during June, July, August, and September.

Distribution in Canada and Alaska.

ON, QC, NB, NS, PE, NF ( Campbell and Davies 1991; CNC specimens). Geodromicus strictus was listed as occurring in New Brunswick by Majka et al. (2011) without any supporting references or data. Here we provide the first documented records from New Brunswick.