Iridopsis pergracilis

Iridopsis pergracilis, the cypress looper moth, is a moth of the family Geometridae. The species was first described by George Duryea Hulst in 1900.[1] It is found in the US from Maryland to Florida.[2]

"Cypress looper" redirects here. For the other moth with this name, see Cutina albopunctella.

Iridopsis pergracilis
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Geometridae
Genus: Iridopsis
Species:
I. pergracilis
Binomial name
Iridopsis pergracilis
(Hulst, 1900)
Synonyms
  • Synelys pergracilis Hulst 1900
  • Anacamptodes pergracilis

The wingspan is 26–28 mm. Adults have whitish or pale tan wings with black antemedial and postmedial lines, often bordered by dark gray shading. In southern Florida, adults are on wing year round.

The larvae feed on Taxodium distichum (including Taxodium distichum var. nutans). They feed on parts of or entire leaves of their host plant. Prior to pupation, last instar larvae chew shallow depressions into the bark and form a cocoon of silk webbing and bark fibers. Pupation occurs on tree stems and branches.[3] They are light grayish with reddish-brown dorsal patches bordered by a subdorsal black stripe.

  • Eggs
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  • Larva
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  • Damage
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  • Pupae
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References
  1. "910998.00 – 6580 – Iridopsis pergracilis – Cypress Looper Moth – (Hulst, 1900)". North American Moth Photographers Group. Mississippi State University. Retrieved December 17, 2019.
  2. McLeod, Robin (August 4, 2012). "Species Iridopsis pergracilis - Cypress Looper - Hodges#6580". BugGuide. Retrieved December 17, 2019.
  3. Dixon, Wayne N. (February 2019). "Cypress looper". Featured Creatures. University of Florida. Retrieved December 16, 2019.


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