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

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

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Species Ipimorpha pleonectusa - Even-lined Sallow - Hodges#9555

Noctuidae: Ipimorpha pleonectusa? - Ipimorpha pleonectusa Noctuidae: Ipimorpha pleonectusa? - Ipimorpha pleonectusa Even-Lined Sallow (Ipimorpha pleonectusa) - Ipimorpha pleonectusa Moth - Ipimorpha pleonectusa Enargia ? - Ipimorpha pleonectusa Ipimorpha pleonectusa Ipimorpha pleonectusa - Even-lined Sallow - Hodges#9555 - Ipimorpha pleonectusa Ipimorpha pleonectusa
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Noctuidae (Owlet Moths)
Subfamily Noctuinae (Cutworm or Dart Moths)
Tribe Xylenini
Subtribe Cosmiina
Genus Ipimorpha
Species pleonectusa (Even-lined Sallow - Hodges#9555)
Hodges Number
Other Common Names
Blackcheeked Aspen Caterpillar (larva)
Synonyms and other taxonomic changes
Ipimorpha pleonectusa (Grote, 1873)
the only Ipimorpha species in the east; uncommon
wingspan 30-35 mm
Adult: FW light to medium brown, grayish, or orangish; AM and PM lines pale, fairly straight; AM line oblique; reniform, orbicular, claviform spots usually distinct, dark with thin pale outlines; claviform spot flattened basally where it connects to AM line. HW yellowish brown, paler than FW.

Larva: head with black "cheeks"; body shiny yellowish-green, smooth, with 1 thick pale middorsal stripe and 2 thin pale dorsolateral stripes
Yukon and British Columbia to Newfoundland, south in the east to Maryland and Kentucky, south in the west to Utah and Oregon (?) - perhaps farther south
boreal forest, mixed woods, aspen groves, edges of forest clearings and treed flood plains
adults fly from July to September
larvae feed on leaves of Populus spp. (poplar) and willow
Life Cycle
one generation per year; overwinters as an egg
Larva; adult
See Also
in the west, compare with other species of Ipimorpha
Internet References
live adult and larva images and other info (Jeremy Tatum, Butterflies and Moths of Southern Vancouver Island)
adult image (Larry Line, Maryland)