It is found in North America from California east to Florida and north to Ontario.
[2] It is also known from Bermuda, Costa Rica, Jamaica, Puerto Rico and the Virgin Islands.
[3] Adults are on wing nearly year-round in the southern part of their range.
[4] The specific name refers to one of the host plants, Ambrosia.
This article on a moth of tribe Oidaematophorini is a stub.