A Pyralid Moth - Crambus ainsliellus
Crambus ainsliellus is a medium sized Crambus (21 - 29 mm wingspan). The forewing is yellowish-brown. The discal silvery stripe is broad, somewhat scimitar shaped, not crossed by dark brown lines and lacks a tooth on the underside of the stripe. The forewing lacks a sinuous white submedial line and a white patch beyond the stripe. The forewing base has a costal brown area that is reduced to a single line. The hindwing is grayish with a dirty white fringe (Powell and Opler 2009).
C. ainsliellus adults fly from August to September (Powell and Opler 2009).
C. ainsliellus is a North American species. It occurs in British Columbia, Manitoba, Washington, Montana, South Dakota, Iowa and Maine (Powell and Opler 2009).
Observations in Montana Natural Heritage Program Database
Number of Observations:
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(Observations spanning multiple months or years are excluded from time charts)
C. ainsliellus prefers grassland areas (Powell and Opler 2009).
Unknown, but probably grass roots (Powell and Opler, 2009).
- Additional ReferencesLegend: View Online Publication
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- Powell, J.A. and P.A. Opler. 2009. Moths of Western North America. University of California Press, Berkeley, CA. 369 pp.
- Additional Sources of Information Related to "Insects"