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Genus Acronicta - Dagger Moths

Caterpillar - Acronicta grisea Impressed Dagger Moth larva? - Acronicta impressa caterpillar - Acronicta impressa Ochre Dagger Moth caterpillar - Acronicta morula Caterpillar on Sparganium Spp.  - Acronicta oblinita Night-wandering Dagger - Acronicta noctivaga Witch Hazel Dagger  - Acronicta hamamelis Bristly caterpillar with red spots, Acronicta? - Acronicta
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 Noctuidae (Owlet Moths)
Subfamily Acronictinae
Genus Acronicta (Dagger Moths)
Synonyms and other taxonomic changes
Acronicta Ochsenheimer, 1816
Acronycta Treitschke, 1825 (unjustified emendation)
Explanation of Names
Generic epithet Acronicta is Greek meaning "the beginning of the night." (1)
There are more than 73 named species of the genus Acronicta in America north of Mexico. (2)
Several to be described.
Represented throughout North America. Also occurs in Eurasia.
This is a large and very difficult genus. With a few exceptions (e.g. vinnula, betulae, fallax), species-level identification should be left to experts.
Internet References
pinned adult thumbnail images of 40 species occurring in eastern Canada (CBIF)
pinned adult thumbnail images of 36 species occurring in western Canada (CBIF)
Works Cited
1.An accentuated list of the British Lepidoptera, with hints on the derivation of the names.
Anonymous. 1858. The Entomological Societies of Oxford and Cambridge.
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 .