New York Natural Heritage Program
A Noctuid Moth
Sympistis riparia (Morrison, 1875)
Insects

Identifying Characteristics [-]
This is a mostly brown moth. The forewing is patterned with various shades of brown and white. The hind wing is paler with some dark veins and is darker at the outer edges. The wingspan is approximately 34-35 mm. Caterpillars have a stripe adjacent to or passing through the spriacles that reaches the anal plate but does not curve down along the anal proleg (Wagner et al. 2008).

Best Life Stage for Proper Identification [-]
The adult is the best life stage for identification.

Behavior [-]
The life history of this species is unknown (Wagner et al. 2008).

Diet [-]
The larval foodplant (the plant on which caterpillars of this species feed) is unknown. However, it is known that caterpillars in the subfamily "Oncocnemidinae", such as this species, tend to be foodplant specialists, and they often prefer to feed on flowers or fruits of low-growing plants (Wagner et al. 2008).
A Noctuid Moth Images
click to enlarge
The Best Time to See
The best time to see this species is during its flight season, in June and July.
J F M A M J J A S O N D
Present Reproducing
The time of year you would expect to find A Noctuid Moth present (blue shading) and reproducing (orange shading) in New York.