Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

Interested in a 2022 BugGuide gathering in New Mexico?

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

National Moth Week 2020 photos of insects and people.

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Discussion, insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Previous events


Species Datana integerrima - Walnut Caterpillar Moth - Hodges#7907

Clustered Caterpillars on Walnut tree - Datana integerrima 100's of caterpillars - Datana integerrima caterpillar on wooden bridge deep in deciduous forest - Datana integerrima Datana - Datana integerrima Walnut Caterpillar Moth - Datana integerrima Datana integerrima Walnut caterpillar moth - Datana integerrima Red caterpillars on hickory tree - Datana integerrima
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 Phalerinae
Genus Datana
Species integerrima (Walnut Caterpillar Moth - Hodges#7907)
Hodges Number
Synonyms and other taxonomic changes
Datana integerrima Grote(1) & Robinson, 1866
Phylogenetic sequence # 930038 (2)
Lafontaine & Schmidt (2010) listed 13 species of the genus Datana in America north of Mexico. (2)
Wingspan 3.5-5.5 cm
Prominent brown patch on thorax, wings lightly banded. See Covell (3) for details.
Specimen identified by DNA analysis (BOLD). (4)
Heppner (2003) reported the range to include Quebec to Florida(5), Minnesota to Texas. (6)
Moth Photographers Group includes Arizona. (7)
Deciduous forests
The main flight period is April to October. (7)
Heppner (2003) reported April, July to September, November in Florida. (6)
Larvae feed on hickories, pecan, and walnut.
Life Cycle
One generation in northern part of range, up to three in southern.
Print References
Covell, p. 329, plate 43 #10 (adult) (3)
Wagner, Caterpillars of Eastern Forests, p. 56--larva (8)
Wagner, Caterpillars of Eastern North America, p. 295--photo of adult (specimen) and caterpillar (9)
Holland, p. 294, plate XL #13 (10)
Powell, J.A. & P.A. Opler, Moths of Western North America, pl. 33, fig. 52; p. 249. (11)
Works Cited
1.Augustus Radcliffe Grote, Lepidopterist (1841-1903)
2.Annotated check list of the Noctuoidea (Insecta, Lepidoptera) of North America north of Mexico.
Donald J. Lafontaine, B. Christian Schmidt. 2010. ZooKeys 40: 1–239 .
3.Peterson Field Guides: Eastern Moths
Charles V. Covell. 1984. Houghton Mifflin Company.
4.BOLD: The Barcode of Life Data Systems
5.Checklist of the Lepidoptera of Florida
6.Arthropods of Florida and Neighboring Land Areas: Lepidoptera of Florida
J.B. Heppner. 2003. Florida Department of Agriculture 17(1): 1-670.
7.North American Moth Photographers Group
8.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.
9.Caterpillars of Eastern North America
David L. Wagner. 2005. Princeton University Press.
10.The Moth Book
W.J. Holland. 1968. Dover.
11.Moths of Western North America
Powell and Opler. 2009. UC Press.