Oxypoda opaca ( Gravenhorst, 1802 )

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 : 197-199

Oxypoda opaca ( Gravenhorst, 1802)

Fig 21, Map 21

New Records. CANADA, New Brunswick, Carleton Co., Meduxnekeag River Valley Nature Preserve, 46.1940°N, 67.6800°W, 12.VIII.2004, 23.VI.2006 (2 sex undetermined, RWC) . York Co., Charters Settlement , 45.8395°N, 66.7391°W, 16.IV.2005, 27.IV.2005, 29.III.2006, 5.V.2006, 27.IV.2008 (1 ♁, 3 ♀, 1 sex undetermined, RWC) ; same locality, 18.X.2007 (1 sex undetermined, RWC) ; same locality, 23.IV.2008 (1 ♁, RWC) .

Bionomic Notes. Most adults of this adventive species were collected from decaying organic material (decaying fleshy fungi, decaying vegetables (compost), decaying

22 23 24

Figures Į9–24. Į9 Oxypoda lacustris 20 O. lucidula 2Į O. opaca 22 O. vockerothi 23 Tachyusa americana 24 Myllaena ludificans [19, 21, 22, 24, apical part of abdomen removed]. Scale = 1 mm

Map 2Į. Collection localities in New Brunswick, Canada of Oxypoda opaca .

moldy corncobs and cornhusks). One flying individual was collected with a net during the late afternoon (15:00 to 18:00 h) in late April. Adults were collected in late March, April, May, June, August, and October. Collection method: sifting, some collected in flight with net during evening.

Distribution in Canada and Alaska. ON, NB, NS (Klimaszewski et al. 2006; Gouix and Klimaszewski 2007).