Macaria bisignata, the redheaded inchworm, is a moth of the family Geometridae. It is found from Newfoundland to Georgia, west to Arizona, north to Ontario.
| Macaria bisignata | |
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| Macaria bisignata | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Geometridae |
| Genus: | Macaria |
| Species: | M. bisignata
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| Binomial name | |
| Macaria bisignata Walker, 1866
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| Synonyms[1] | |
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The wingspan is about 25 mm (0.98 in). The moths are on wing from May to August depending on the location.
The head is reddish brown in color. A particular characteristic of markings are the 3 or 4 dark brown marks where the antemedial, medial, and postmedial lines meet costa (forewing leading edge) and by a larger, subrectangular spot where subterminal band meets costa. Another segment of subterminal band usually persists as a smaller dark spot between M3 and CuA1.[2][3] It is very similar looking to Psamatodes abydata which lacks the dark brown costa marks. The ground color (overall) of the wings ranges from light milky tan to darker gray-brown.
The larva feeds on almost exclusively on pine such as Pinus strobus.
References
edit- ^ Savela, Markku (ed.). "Macaria bisignata". Lepidoptera and some other life forms. Retrieved 17 February 2021 – via FUNET.
- ^ Ferguson, Douglas C. (2008). Geometroidea : Geometridae (part), Ennominae (part-Abraxini, Cassymini, Macariini) (PDF). Washington [D.C.]: Wedge Entomological Research Foundation. p. 195. ISBN 978-0933003-13-2. Retrieved 6 July 2021.
- ^ "Species Macaria bisignata - Red-headed Inchworm - Hodges#6342".
External links
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