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Species Nerice bidentata - Double-toothed Prominent - Hodges#7929

Double-toothed Prominent - Nerice bidentata moth - Nerice bidentata Pennsylvania Caterpillar - Nerice bidentata Notodontidae: Nerice bidentata - Nerice bidentata  Double-toothed Prominent - Hodges#7929 - Nerice bidentata Double-toothed Prominent - Nerice bidentata Moth - Nerice bidentata Nerice bidentata
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Notodontidae (Prominent Moths)
Subfamily Notodontinae
Genus Nerice
Species bidentata (Double-toothed Prominent - Hodges#7929)
Hodges Number
Other Common Names
Stegosaurus (1)
Synonyms and other taxonomic changes
Author: Walker, 1855
Explanation of Names
an aptly-named species: the adult has a doubly-toothed band on its forewing, the larva has doubly-toothed humps on its back, and the food plant (elm) has doubly-toothed leaf edges
1 sp. n. of Mex. (2)
Wingspan 30-40 mm.
Larva to 4 cm (1)
Adult: FW grayish with black double-toothed bar running from the base to mid outer margin, fading to brown at the costa. Sub-apical dash shaded with white. HW brown, darker toward margin. (3)
Larva: doubly-serrate abdominal humps distinguish this chalky-green caterpillar from all others in eastern North America; profile strikingly similar to leaf edges of food plant
[description by David Wagner and Valerie Giles]
TX-FL-NS-MN - MPG - common throughout its range
Type Locality: Trenton Falls, New York
Deciduous forests containing elm
Mostly: April-August - MPG
Larvae from June to October.
Larvae feed on course-leaved elms (Ulmus spp.) (1)
Life Cycle
Two generations per year, pupa overwinters (1)
Beating is particularly effective for collecting this small-legged caterpillar (1)
Print References
Covell, Field Guide to Eastern Moths, p. 331, plate 43 #4 (4)
Wagner, Caterpillars of Eastern Forests, p. 52--larva (5)
Wagner, Caterpillars of Eastern North America, p. 289--photo of adult (specimen) and caterpillar (1)
Internet References
Lynn Scott, Ontario - live adult images, food plant, flight season
adult images - Larry Line, Maryland
Works Cited
1.Caterpillars of Eastern North America
David L. Wagner. 2005. Princeton University Press.
2.Check list of the Lepidoptera of America north of Mexico.
Hodges, et al. (editors). 1983. E. W. Classey, London. 284 pp.
3.Peterson Field Guide to Moths of Northeastern North America
David Beadle and Seabrooke Leckie. 2012. Houghton Mifflin.
4.Peterson Field Guides: Eastern Moths
Charles V. Covell. 1984. Houghton Mifflin Company.
5.Caterpillars of Eastern Forests
David L. Wagner, Valerie Giles, Richard C. Reardon, Michael L. McManus. 1998. U.S. Dept of Agriculture, Forest Health Technology Enterprise Team.