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

Calendar
Upcoming Events

Discussion, insects and people from the 2018 BugGuide Gathering in Virginia, July 27-29

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

Photos of insects and people from the 2014 gathering in Virginia, June 4-7.

Photos of insects and people from the 2013 gathering in Arizona, July 25-28

Photos of insects and people from the 2012 gathering in Alabama

Photos of insects and people from the 2011 gathering in Iowa

Photos from the 2010 Workshop in Grinnell, Iowa

Photos from the 2009 gathering in Washington

TaxonomyBrowse
Info
ImagesLinksBooksData

Genus Opsigalea

Opsigalea Moth - Opsigalea blanchardi Opsigalea Moth - Opsigalea blanchardi Opsigalea blanchardi larva - Opsigalea blanchardi Opsigalea blanchardi larva - Opsigalea blanchardi Opsigalea blanchardi larva - Opsigalea blanchardi Opsigalea blanchardi Opsigalea blanchardi Some more handsome ones - Opsigalea blanchardi
Show images of: caterpillars · adults · both
Classification
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 Cuculliinae
Genus Opsigalea
Numbers
1 species in North America
3 species in the world
Size
wingspan about 49 mm, based on Internet photo by C.D. Ferris
Identification
Adult: forewing light yellowish-brown on upper (costal) half, gray on lower half, with thin black streaks separating the halves; large blackish blotch near anal angle, bordered basally by black semicircle (which constitutes the lower part of the PM line); hindwing white basally, shading to gray distally, with conspicuous dark-scaled veins; overall, resembles a boldly-marked Cucullia species

Larva: light green above, with several faint longitudinal lines; darker green and unmarked below; last abdominal segment longer than others and containing a dorsal keel
Range
southwestern United States from Arizona to Texas; also represented in Mexico
Season
adults fly from May to October
Food
larvae feed on butterflybush (Buddleja spp.)
See Also
Cucullia species lack large blackish blotch near anal angle of forewing, and are generally less boldy marked
Internet References
pinned adult image by C.D. Ferris, plus location and date (Bruce Walsh, Moths of Southeastern Arizona)
live larva image plus location and date (Robert Behrstock, Arizona)
larval foodplant (Bruce Walsh, Moths of Southeastern Arizona)
presence in Texas of two specimens, with locations and dates; search on genus "Opsigalea" (Lepidopterists Society Season Summary, U. of Florida)
author, year, and type specimen locality of O. blanchardi (Markku Savela, FUNET)
number of world species (Brian Pitkin, Butterflies and Moths of the World)