Geostiba (s. str.) circellaris ( Gravenhorst, 1806 )

Webster, Reginald, Klimaszewski, Jan, Pelletier, Georges & Savard, Karine, 2009, New Staphylinidae (Coleoptera) records with new collection data from New Brunswick, Canada. I. Aleocharinae, ZooKeys 22 (22), pp. 171-248 : 232-233

Geostiba (s. str.) circellaris ( Gravenhorst, 1806)

Fig 50, Map 50

New Records. CANADA, New Brunswick, Carleton Co., “ Bell Forest ”, 46.2152°N, 67.7190°W, 11.V.2006, M.-A. Giguère and R.P. Webster (1 ♁, 1 sex undetermined, RWC) ; “ Bell Forest ” 46.2146°N, 67.7206°W, 12.IV.2007 (1 ♁, 1 sex undetermined, RWC) ; Meduxnekeag River Valley Nature Preserve, 46.1931°N, 67.6825°W, 8.VI.2005 (1 ♁, RWC) . Queens Co., W of Jemseg near “ Trout Creek ”, 45.8231°N, 66.1245°W, 3.IV.2006 (1 ♁, 2 ♀, RWC) ; Cambridge , “Trout Creek”, 45.8240°N, 66.1220°W, 4.VI.2004 (1 ♀, LFC) . Saint John Co., Musquash , 45.1837°N, 66.3376°W, 7.V.2006 (1 ♀, RWC) .

Bionomic Notes. In New Brunswick, this adventive species was found along river margins in flood debris and drift material. Adults were also collected from leaf litter in

Map 50. Collection localities in New Brunswick, Canada of Geostiba circellaris .

the crotch of a silver maple with multiple trunks in early April in a floodplain forest (prior to the normal spring flood). This was presumably an overwintering site. Adults were collected in April, May and June. Collection method: sifting.

Distribution in Canada and Alaska. NB, NF & LB ( Gusarov 2002a; Gouix and Klimaszewski 2007).