Dusky Herpetogramma Moth
Common NameDusky Herpetogramma Moth
Scientific NameHerpetogramma pertextalis
FamilyCrambidae
SubfamilySpilomelinae
Wingspan (mm)20
Primary Colorsbrown, tan, dark brown
HabitatOpen woodlands, fields, gardens, disturbed areas
Geographic RangeEastern North America, from Canada south to Florida and west to Texas
Host Plantsgrasses, amaranth, lamb's quarters, plantain, knotweed
Flight PeriodMay to October
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are typically leaf rollers or webbers on various herbaceous host plants, pupating in a cocoon within the leaf litter or soil.
Identification TipsLook for the mottled brown wings with wavy transverse lines and the subtle purplish iridescence, especially on the forewings. The overall dusky appearance and distinct reniform spot are key features.
Description
A small to medium-sized moth with mottled light to dark brown wings, often exhibiting a subtle purplish sheen, and marked with wavy darker lines and a distinct reniform spot.
