Paleacrita vernata, the spring cankerworm, is a moth of the family Geometridae. The species was first described by William Dandridge Peck in 1795. It is found in North America from the Atlantic Ocean west to Alberta, Texas and California.
| Paleacrita vernata | |
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Geometridae |
| Genus: | Paleacrita |
| Species: | P. vernata
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| Binomial name | |
| Paleacrita vernata | |
| Synonyms | |
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The length of the forewings is 11–18 mm for males. The females are wingless. Adult males are on wing from February to late May.[2]
The larvae feed on various deciduous trees and shrubs, but especially Acer, Ulmus, Betula and Prunus species.[3] Oaks (Quercus) are also affected, and many homeowners place sticky bands around trunks of their trees to trap the migrating adults as they climb the tree to lay eggs. The eggs hatch, turning into numerous inch-long worms that can defoliate and kill a tree. The worms often fall from the canopy onto passersby. Usually they are suspended by a line of silk that they can climb back into the tree along, should a spring wind dislodge them from their meal of leaves.
Etymology
editThe specific name is derived from Latin vernus, "spring (attributive)".
References
edit- ^ Savela, Markku. "Paleacrita vernata (Peck, 1795)". Lepidoptera and Some Other Life Forms. Retrieved February 4, 2019.
- ^ DiTerlizzi, Tony (December 3, 2013). "Species Paleacrita vernata - Spring Cankerworm Moth - Hodges#6662". BugGuide. Retrieved February 4, 2019.
- ^ "Species Details: Paleacrita vernata". University of Alberta Museums. E.H. Strickland Entomological Museum. Retrieved December 26, 2020.
External links
editMedia related to Paleacrita vernata at Wikimedia Commons
Data related to Paleacrita vernata at Wikispecies
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