Acronicta americana

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Acronicta americana
Acronicta americana.jpg
Acronicta americanaZK.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Superfamily: Noctuoidea
Family: Noctuidae
Genus: Acronicta
Species:
A. americana
Binomial name
Acronicta americana
Harris, 1841
Synonyms
  • Acronicta acericola

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.

Contents

Description

The American dagger moth has a wingspan of 50 to 65 mm (2.0 to 2.6 in) It usually has a sharp, double postmedian line, with white in between the two lines. [1] There is a black dash on the anal area of the forewing. The hindwing is gray with a faint, darker gray median line in the male. [1] The female is similar, except the hindwing is completely dark.

Subspecies

Distribution

The American dagger moth is found in North America east of the Rocky Mountains. [2]

Flight period

The American dagger moth can be seen from April to September throughout its range. [1] Caterpillars can be seen from July to October. It has one brood in the north and two to three broods in the south. [3]

Habitat

Caterpillar Acronicta americana larva1.jpg
Caterpillar
Caterpillar, head Acronicta americana caterpillar 2.jpg
Caterpillar, head
American Dagger Moth Caterpillar.jpg

The American dagger moth is found in deciduous woodlands and forests. [3]

Life cycle

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 50 mm (2.0 in). [3] While there are numerous reports of the larval hairs of this species sometimes causing skin irritation in humans, there is no evidence that they possess any form of venom. [4]

Host plants

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References

  1. 1 2 3 Covell Jr, Charles V. (2005) [First published 1984]. Moths of Eastern North America. Martinsville, VA: Virginia Museum of Natural History. p. 82. ISBN   1-884549-21-7.
  2. Bartlett, Troy; et al. (February 16, 2004). "Species Acronicta americana - American Dagger Moth". BugGuide. Retrieved August 12, 2010.
  3. 1 2 3 Wagner, David L. (2005). Caterpillars of Eastern North America. Princeton, NJ: Princeton University Press. p. 324. ISBN   0-691-12144-3.
  4. Wagner, David L.; Schweitzer, Dale F.; Sullivan, J. Bolling & Reardon, Richard C. (2011). Owlet Caterpillars of Eastern North America. Princeton University Press. ISBN   978-069115042-0.