Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Upcoming Events

See Moth submissions from National Moth Week 2023

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29

Photos of insects and people from the 2015 gathering in Wisconsin, July 10-12

Previous events


Species Iridopsis pergracilis - Cypress Looper - Hodges#6580

Iridopsis pergracilis - male No. 61 Iridopsis sp. perhaps I. clivinaria-6575? - Iridopsis pergracilis - female MothGrayBckgrndBlkStripe_05032015_AR_ - Iridopsis pergracilis Iridopsis pergracilis - Cypress Looper - Iridopsis pergracilis - female Iridopsis pergracilis - female Iridopsis - Iridopsis pergracilis - female Gray sp? - Iridopsis pergracilis - male 3035359 geo - Iridopsis pergracilis - male
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Geometroidea (Geometrid and Swallowtail Moths)
Family Geometridae (Geometrid Moths)
Subfamily Ennominae
Tribe Boarmiini
Genus Iridopsis
Species pergracilis (Cypress Looper - Hodges#6580)
Hodges Number
Synonyms and other taxonomic changes
Iridopsis pergracilis (Hulst, 1900)
original combination Synelys pergracilis Hulst, 1900
= Cleora pergracilis
= Anacamptodes pergracilis; in Rindge (1966) Bull. USNM 132 (3): 203
* phylogenetic sequence #194650
wingspan 26-28 mm, female larger than male
Adult: wings whitish or pale tan with black AM and PM lines, often bordered by dark gray shading; dark-outlined oval discal spot on all wings; subterminal line scalloped, whitish or pale tan; terminal line a series of dark dots; female often has yellowish-brown shading inside AM line and between PM and subterminal lines

Larva: light grayish with reddish-brown dorsal patches bordered by subdorsal black stripe; sides whitish or pale yellow with extensive black mottling
Maryland to Florida
cypress forests
larvae feed on leaves of Bald Cypress (Taxodium distichum)
See Also
The yellowish-brown shading on female's wings is distinctive; males with heavy shading along AM and PM lines show sharp contrast against pale median area, a feature not seen in other species of Iridopsis.
Print References
Rindge FH (1966) Revision of the Moth genus Anacamptodes. Bulletin of the USNM 132 (3): 175-244, pl. 22-25 (34Mb PDF)
Internet References
Moth Photographers Group - range map, photos of living and pinned adults.
live adult image by Gerald Lenhard (
live adult image by John Ghent (
live larva image on host plant by John Ghent, and common name reference (
pinned adult images of male and female (James Adams, Dalton State College, Georgia)
pinned adult image (Larry Line, Maryland)