| Acronicta cuspis | |
|---|---|
 | |
Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Superfamily: | Noctuoidea |
| Family: | Noctuidae |
| Genus: | Acronicta |
| Species: | A. cuspis |
| Binomial name | |
| Acronicta cuspis (Hübner, 1813) | |
| Synonyms | |
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Acronicta cuspis, thelarge dagger, is amoth of the familyNoctuidae. It is distributed through most of Europe, Northern Africa (Morocco), the European part ofRussia, theCaucasus, theRussian Far East (Primorye, southernKhabarovsk, southernAmur region), southernSiberia,Transcaucasia, central Asia, China, Japan (Hokkaido,Honshu) and theKorean Peninsula.
LikeA. psi L., but paler, bluer grey; the black streaks thicker; stigmata united by a short black bar.leucocuspis Btlr., occurring in North China, Japan and Corea is larger and darker in tint. –taurica Stgr., on the contrary, is a much paler form, with thestigmata far apart, queried by Staudinger as possibly a distinct species.— Larva like that ofpsi, but the fleshy process on segment 5 bears a long tuft of black.[1] Thewingspan is 37–41 mm.
Thelarvae feed on a number of plants, including alder, grey alder, rowan, silver birch and downy birch.
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