Moths of North Dakota

Noctuidae: Noctuinae: Noctuini

Spaelotis bicava Lafontaine 1998

Common name: No accepted common name, listed here as Rocky mountain W-marked cutworm.

Hodges #: 10927.1.

Identification: Rfw 18 mm, frons smooth, fw ground color gray with black markings and scattered white scales, scales lustrous; pro-tibia with complete row of mesal and lateral setae.  Ventral abdomen of && with two large foveae.  

Similar species:  10705, 10731, 10906, 10923, 10926, 10973, 11004 and 11006.

Distribution: Western Canada and United States, eastward to the western edge of the Great Plains.

Hosts: incompletely known due to confusion with other species prior to Lafontaine (1998).  Has been reported from Erigonium spp.-- buckwheat (Crumb 1956).

ND Williams Co., Williston.  UV lt. trap.  20- VI- 198[4].  G. Fauske.



Ventral abdomen of & S. clandestina (left) and S. bicava (right).





Last updated: 02/06/07

Dr. Gerald M. Fauske
collection manager, NDSIRC
research specialist, NDSU
216 Hultz Hall
Fargo, ND 58105

Published by the Department of Entomology 

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