Acronicta americana, the American dagger moth, is a moth of the family Noctuidae. It was originally described by Thaddeus William Harris in 1841 and is native to North America. The young caterpillar is densely covered with yellow setae. The older caterpillar's setae are either pale yellow or white. All instars have thin, black setae on the first and third abdominal segments. On the eighth abdominal segment, there is one tuft of black setae. The caterpillar will reach a length of 2.0 in.
American dagger moth
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American dagger moth caterpillar
Viv Lynch / Flickr
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— american dagger moth.jpg
American dagger moth
Dendroica cerulea / Flickr
