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Species Balsa labecula - White-blotched Balsa - Hodges#9664

Illinois  Data Point - Balsa labecula Balsa labecula White-blotched Balsa - Hodges#9664 - Balsa labecula White-blotched Balsa - Balsa labecula White-blotched Balsa - Balsa labecula White-blotched balsa - Balsa labecula White-blotched Balsa - Balsa labecula unknown moth - Balsa labecula
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 Balsinae
Genus Balsa
Species labecula (White-blotched Balsa - Hodges#9664)
Hodges Number
wingspan about 25-30 mm
Adult - forewing light gray with medium brownish-gray areas near the base and near the apex; near middle of wing are two whitish blotches, one below the other, the proximal blotch roughly circular, and the distal blotch more irregular and diffuse; antemedial (AM) line forms a jagged arc across wing; postmedial (PM) line double, the proximal line runs obliquely and fairly straight toward the anal angle for a short distance then bends toward the outer margin, and the distal line is wavy, running almost parallel to the costa and then bending inward in a jagged arc toward the anal angle; four small rectangular marks occur along the distal half of the costa
hindwing pale yellowish or yellowish-brown

Larva - Bright lime- to yellow-green with conspicuous white to yellow spots and yellowish spiracular stripe. Dorsal pinacula prominent, round to more commonly transversely oval, somewhat raised. Spots between setal bases more irregular in outline. Posterior half of A3-A8 with elongate, more or less parallel-sided, middorsal spot that extends forward to posterior (D2) dorsal setae. Subdorsal stripe broken. Head pale green, unmarked, shiny. Larva less than 2.5 cm. Penultimate instar pale sea green. The larva rests with the head curled to one side.
eastern North America
Forests, swamps, barrens, and woodlands
adults fly from May to August
Apple, chokeberry (Aronia), hawthorn, and serviceberry.
Internet References
live adult image plus description and other info (Lynn Scott, Ontario)
live adult image (Dave Czaplak, Maryland)
common name reference and other info (Ohio State U.)
Owlet Caterpillars of Eastern North America - larva description, food, habitat