Prince William Conservation Alliance
Prince William Conservation Alliance PWCA Calendar Blog Resources Support PWCA
One-spotted Variant, Hypagyrtis unipunctata
Photo © Kim Hosen; suburban backyard, Woodbridge, VA; August 2011

One-spotted Variant, Hypagyrtis unipunctata

Superfamily Geometroidea
Family Geometridae (Geometrid Moths)
Subfamily Ennominae

Wingspan: 20-47 mm

Flight period: April to September

Habitat: Deciduous and mixed woods; adults are nocturnal and attracted to light

Caterpillar host plants: Leaves of alder, apple, ash, birch, cherry, dogwood, hickory, maple, oak, pine, poplar, rose, serviceberry, willow and others

Overwinters as caterpillar exposed on tree bark and branches; important food source for wintering insectivorous birds in the easter U.S.