Pribilof Rove Beetle

Eucnecosum brachypterum (Arpedium beringense)

General Status Rank: 
Secure
Common Name: 
Pribilof Rove Beetle
Scientific Name: 
Eucnecosum brachypterum (Arpedium beringense)
Taxonomy
Group: 
Beetle
Kingdom: 
Animalia
Phylum: 
Arthropoda
Class: 
Insecta
Order: 
Coleoptera
Family: 
Staphylinidae
Habitat
wide variety of moist habitats, but specimens are most frequently taken from moist Alnus or Salix litter, usually near the edge of streams, lakes, or ponds. Other adults were collected from floating flood debris, from terrestrial bird nests, or Microtus nests, or by treading emergent vegetation (especiallyclumps of Carex) into the water. Most specimens were collected in June or July but a few were taken as early as April or as late as August
References: 
Distribution

Number of Occurrences

Northwest Territories: Aklavik, 9-12.VI.1956, 22.V1.1956, R.E. Leech (CNC) 13;Aklavik, 12.1X.1929, 16-17.IX.1929,27.IV.1931, l.V.1931,O. Bryant(CAS, CNC) 20; Aklavik,13.VI. 1956, E.F. Cashman (CNC) 1; Anderson River delta, Boat Island (Loc. 06-77), 26.VI. 15-VII,1977, D. Shpeley, G.E. Ball (CNC) 1; Anderson River delta, Fox Den Is., south end 29.VI-15.VI1.1977, D. Shpeley, G.E. Ball (CNC) 5; Anderson River delta, Krekovik Landing (Loc. 17-77), 3-19.VII.1977, D. Shpeley, G.E. Ball (CNC) 3; Eskimo Point, 2.VI.1950, 7.V1.1950, G.R.Roberts (CNC) 17; 18 mi. NW Inuvik via East Channel, Unnamed Lake, 26.VI. 1972, A. Smetana(CNC) 3; Kidluit Bay, Richards Is., 30.VII. 1948, W.J. Brown (CNC) 1; Kittigazuit, 24.VII. 1948,W.J. Brown (CNC) 3; Padley, 13.VI.1950, 28.VI.1950, R.E. Duckworth (CNC) 2; Padley, 1 .VI. 1950, R.A. Hennigar (CNC) 1; Reindeer Depot, Mackenzie Delta, 29.VI. 1948, W.J. Brown (CNC) 1 ; Reindeer Station, Caribou Hills, 30.VI. 1972, 2.VII. 1972, A. Smetana (CNC) 25; 40 mi E. Tuktoyaktuk, 18.VI. 1971, W.R.M. Mason (CNC) 1; Wood Bay, Nicholson Island (Loc. 10-77), 27.VI-17.VII.1977, D. Shpeley, G.E. Ball (CNC) 3.
References: 
General Status Rank
Rank: 
Secure
Status Rank Description: 
Nt: known from 4 sites,common creek/stream side moist habitat (Campbell 1984).Campbell, JM. 1984. A revision of the North American Omaliinae (Coleoptera: Staphylinidae) the genera Arpedium Erichson and Eucnecosum Reitter The Canadian Entomologist. 116:457-527.More sites expected in the NWT
S Rank: 
S3S4
Decision Process Description: 
Draft ranks by Chandra Venables (2012) under contract for northern beetles assessment with Environment Canada (National General Status Assessment).
Last Updated: 
December 16, 2013

References

Habitat

  • Campbell, JM. (1984) A revision of the North American Omaliinae (Coleoptera: Staphylinidae) the genera Arpedium Erichson and Eucnecosum Reitter. The Canadian Entomologist. 116:457-527. - A292 Return

Number of Occurrences

  • Campbell, JM. (1984) A revision of the North American Omaliinae (Coleoptera: Staphylinidae) the genera Arpedium Erichson and Eucnecosum Reitter. The Canadian Entomologist. 116:457-527. - A292 Return