Species Details

Crambus bidens

University of Alberta E.H. Strickland Entomological Museum Read more about this collection »

SeasonalityLate July to early August. IdentificationA small Crambus (18-22 mm wingspan). Forewing yellowish or brownish ochre; scimitar-shaped silver streak unusually wide, almost reaching the costa, sometimes with a broad brown longitudinal ray, strongly toothed below; no silver patch between streak and subterminal line but middle of terminal space white; subterminal line zigzag; black, somewhat elongate dots in the lower part of the terminal line; hind wing smoky with a white fringe. There is really nothing else that is similar.

Scientific Name Crambus bidens Habitat Mainly in bogs. Seasonality Late July to early August. Identification
A small Crambus (18-22 mm wingspan). Forewing yellowish or brownish ochre; scimitar-shaped silver streak unusually wide, almost reaching the costa, sometimes with a broad brown longitudinal ray, strongly toothed below;…
A small Crambus (18-22 mm wingspan). Forewing yellowish or brownish ochre; scimitar-shaped silver streak unusually wide, almost reaching the costa, sometimes with a broad brown longitudinal ray, strongly toothed below; no silver patch between streak and subterminal line but middle of terminal space white; subterminal line zigzag; black, somewhat elongate dots in the lower part of the terminal line; hind wing smoky with a white fringe. There is really nothing else that is similar.
Life History Early stages unknown. Conservation Seldom encountered, but probably under collected and of no concern. Diet Info Larval host plants unknown. Range
A North American species known from Massachusetts and New York (Fernald 1896, Forbes 1923), Ontario (Kearfott 1908), New Jersey (Forbes 1923), Quebec (Forbes 1923, Handfield 1997); and from Michigan (Scholtens 1996).…
A North American species known from Massachusetts and New York (Fernald 1896, Forbes 1923), Ontario (Kearfott 1908), New Jersey (Forbes 1923), Quebec (Forbes 1923, Handfield 1997); and from Michigan (Scholtens 1996). In Alberta, known only from the Edmonton area.

Citation

Page Citation for Crambus bidens

Page Citation

"Species Details - Crambus bidens, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2919. Accessed 14 Apr. 2024.

Authorship

Name Bird, C. D.
Role species page author
Date 2003-04

References

Specimen Information

There are 3 specimens of this Species.

3 results plotted on map in 1 marker.
Note: Only records with latitude and longitude coordinates are plotted on map.

UASM39026 - Crambus bidens

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Edmonton Collected ByBowman, K. Date Collected1936-08-06

UASM39027 - Crambus bidens

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Edmonton Collected ByBowman, K. Date Collected1948-08-27

UASM42514 - Crambus bidens

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Edmonton Collected ByBowman, K. Date Collected1924-08-26

Adult Seasonal Distribution