Synonyms and other taxonomic changes
Antepione thisoaria (Guenée, [1858])
Heterolocha thisoaria Guenée 1857
Many synonyms listed in the revision partly due to the large range.
(1)Identification
Adult seasonally and sexually dimorphic, but middle of outer margin of hindwing and forewing conspicuously pointed in all forms, and usually a dark triangular patch along costa near apex of forewing (may be absent in female)
Spring brood, both sexes: mottled light brown wings (form "furciferata")
Summer brood male: bright yellow with reddish-brown shading beyond PM line
Summer brood female: all yellow
Larva:
Caterpillars of Eastern Forests(2) has photo and description.
Range
Throughout North America east of the 95th parallel, south to Mexico, Guatemala and Costa Rica.
(1)(3)
Moth Photographers Group - large range map with collection dates. Note that records west of the 95th parallel instead refer to
Antepione imitata.
(1)
Season
The first generation flies in late spring and early summer, and the second from mid-July to late August
on Block Island, RI.
(4)Food
larvae feed on leaves of apple, maple, persimmon, sumac, and other plants
See Also
Antepione imitata is a western species that only occurs as far east as western Texas.
(1)
Internet References
pinned adult images showing variation among individuals (CBIF)
pinned adult images of male and female spring & summer forms (James Adams, Dalton State College, Georgia)
adult images (Larry Line, Maryland)
pinned adult image of summer brood female (Bruce Walsh, Moths of Southeastern Arizona)
(6)
pinned adult image of summer brood male (Dale Clark, dallasbutterflies.com)