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Species Spilosoma congrua - Agreeable Tiger Moth - Hodges#8134

Agreeable Tiger Moth - Spilosoma congrua Unknown Caterpillar - Spilosoma congrua Spilosoma congrua? I found this moth to be quite agreeable. - Spilosoma congrua Unidentified moth ??? - Spilosoma congrua White Moth - Spilosoma congrua 2nd Moth - Spilosoma congrua - female Agreeable Tiger Moth - Spilosoma congrua Erebidae: Spilosoma congrua - Spilosoma congrua
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Erebidae
Subfamily Arctiinae (Tiger and Lichen Moths)
Tribe Arctiini (Tiger Moths)
Subtribe Spilosomina
Genus Spilosoma
Species congrua (Agreeable Tiger Moth - Hodges#8134)
Hodges Number
8134
Other Common Names
Yellow-legged Tiger Moth
Size
wingspan 27-47 mm
Identification
Adult: forewing pure white or marked with transverse rows of black spots; antennal shaft white; inner face of pro-femora yellow-orange; hind tibiae with both pre-apical and apical pair of spurs; abdomen white
[adapted from description by Gerald Fauske]
Range
Southwestern U.S. north to southern Canada, east to Atlantic.
Season
adults fly from April to August; longer flight season southward
Food
Larvae are general feeders on herbaceous plants, including dandelion (Taraxacum spp.), plantain (Plantago spp.), and pigweed (Amaranthus spp.)
Life Cycle
Larvae have two color forms(1)

eggs; newly emerged larvae; larvae at different stages; older larva of one color form; older larva of the other color form; cocoon; adult
See Also
Adult: S. virginica has yellow markings on the abdomen, while S. congrua's abdomen is pure white. [comment by Paul Dennehy]
Print References
Covell, p. 66, plate 13 #1 (2)
Internet References
Moths of North Dakota pinned and live adult images, technical description, foodplants, distribution, similar species, common name references (Gerald Fauske, North Dakota State U.)
Works Cited
1.Caterpillars of Eastern North America: A Guide to Identification and Natural History (Princeton Field Guides)
David L. Wagner. 2010. Princeton University Press, 1-496.
2.Peterson Field Guides: Eastern Moths
Charles V. Covell. 1984. Houghton Mifflin Company.