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

See Moth submissions from National Moth Week 2023

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

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

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

Photos of 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

Previous events


Species Datana ministra - Yellow-necked Caterpillar Moth - Hodges#7902

Yellow-necked caterpillar - Datana ministra Caterpillar - Datana ministra caterpillars - Datana ministra 31 days old caterpillars - Datana ministra Caterpillar - Datana ministra Yellow-necked Caterpillar - Datana ministra Not an Azalea Caterpillar - I Think - Datana ministra caterpillar - Datana ministra
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 ministra (Yellow-necked Caterpillar Moth - Hodges#7902)
Hodges Number
Synonyms and other taxonomic changes
Author: (Drury, 1773)
FWL = 20-25mm (1)
WS = 40-53mm (2)
Adult: FW tawny to reddish brown, with no distinct dark shades like other Datana species. Outer margin is scalloped. Orbicular spot inconspicuous, blackish. AM median and PM darkest markings, HW paler, yellowish. (2)
Widespread in the eastern United States and eastern Canada, west at least to the Great Plains.

The similar D. californica, which was once considered conspecific with D. ministra, is found from British Columbia to central California and Colorado.
Adults fly June to mid-July (1)
Variety of woody trees and shrubs (1)
Life Cycle
Eggs are laid in masses of 100 or more on undersides of leaves.(3)
Early instars feed gregariously and skeletonize leaves (1)
The larvae feed on Malus, Quercus, Betula and Salix species. Young larvae skeletonise the leaves of their host plant. Later, they feed on all of the leaf except the leaf stalk. They feed in groups. 2
When larvae are mature they drop to and enter the soil to depth of 2-4" where the pupate.(3)
Overwinter as pupa(3)
One generation per year(3)
A common pest in orchards (1)
When disturbed they elevate both ends of the body.(3)
Internet References
Moths of North Dakota - species page
Works Cited
1.Moths of Western North America
Powell and Opler. 2009. UC Press.
2.Field Guide to Moths of Eastern North America
Charles V. Covell, Jr. 2005.
3.Eastern Forest Insects
Whiteford L. Baker. 1972. U.S. Department of Agriculture · Forest Service.