On Aug 16, 2006, Magpye from NW Qtr, AR (Zone 6a) wrote:
Wing span: 2 1/8 - 3 inches (5.4 - 7.6 cm).
Identification: Upperside forewings of both sexes have yellow "dog's head" surrounded by black. "Eye" does not touch black border. Female similar, with duller, more diffuse black areas and 2 seasonal forms: underside hindwing of wet season "summer" form is yellow; that of dry season "winter" form is mottled with black and pink.
Life history: Males patrol open areas for females. Eggs are laid on the undersides of terminal leaves of host plants. Adults overwinter in reproductive arrest.
Flight: Three flights in the southern states from May-June, July-August, and September-April. Northern colonists have one generation per year, or do not reproduce at all.
Caterpillar hosts: Small-leaved pla... read more
On Sep 8, 2010, tabasco from Cincinnati (Anderson Twp), OH (Zone 6a) wrote:
The dogface is a somewhat unusual find for south-west Ohio but we did have one in our garden in August. A nice addition to our lepidoptera list for 2010.