Moths of North Dakota

Arctiidae: Arctiinae: Arctiini

Spilosoma virginica (Fabricius 1798)

Common name: Virginian tiger moth/ Yellow woolly bear.

Hodges #: 8137.

Identification: Rfw 18.4 mm, fw white usually marked with dark discal spot, hw usually with spots near anal angle; antennal shaft white, pro-femora yellow-orange and black, meta-tibiae with both pre-apical and apical pair of spurs, abdomen marked with orange laterally and black dots dorsally.  

Similar species: 8230, 8144, 8140, 8136, 8134, 8133, 8132, 8131, 8111.

Distribution: southern Canada and U.S. southward to central Mexico.

Hosts: larvae are general feeders on a wide variety of herbaceous plants including Taraxicum-- dandelion, Helianthus-- sunflower, Plantago-- plantain, Brassica-- mustards, Zea mays-- corn, also woody plants including Acer-- maple, Prunus-- plum, cherry, Salix-- willows.


ND, Cass Co., Fargo,  fluorescent light, 20- VI- 2002, coll. G. Fauske.

ND, Richland Co., Sheyenne Natl. grasslands. pic. Loren Oslie.

MN, Hubbard Co., pic. John Weber.


  Moth county records  



Ventral view showing orange coxae and femora and plate-like tibial 'claws.'




Last updated: 01/23/07

Gerald M. Fauske
Research Specialist
202 Hultz Hall
Fargo, ND 58105

Published by the Department of Entomology 

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