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Southern Dogface (Zerene cesonia)

Order: Lepidoptera (le-pid-OP-ter-a) (Info)
Family: Pieridae (pee-AIR-ih-dee) (Info)
Genus: Zerene
Species: cesonia


This bug has been reportedly found in the following regions:

Marion, Arkansas
Jacksonville, Florida
Jupiter, Florida
Elephant Butte, New Mexico
Roswell, New Mexico
Cincinnati, Ohio
Stilwell, Oklahoma
Tahlequah, Oklahoma
Fort Worth, Texas (2 reports)
Los Fresnos, Texas
Red Oak, Texas
Rosenberg, Texas
San Antonio, Texas (2 reports)
Show all

Members' Notes:


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.


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