
Variable Nigranum Moth
Common NameVariable Nigranum Moth
Scientific NameEucosma nigranum
FamilyTortricidae
SubfamilyOlethreutinae
Wingspan (mm)14
Wing Patternspotted
Primary Colorsdark brown, reddish-brown, tan, metallic blue-grey
HabitatOpen woodlands, fields, meadows, and areas with goldenrod
Geographic RangeEastern North America (from Nova Scotia to Florida, west to Texas and Manitoba)
Host PlantsSolidago (goldenrod) species
Flight PeriodJune to September
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae bore into the stems or roots of goldenrod (Solidago) species, where they feed and develop.
Identification TipsKey features include the distinctive mottled forewing pattern with dark brown and reddish-brown patches, often with a metallic sheen, and the prominent tuft of scales on the thorax. Its association with goldenrod is also a strong indicator.
Description
A small moth with mottled dark brown, reddish-brown, and tan forewings featuring intricate patterns and some metallic blue-grey scales, and a prominent tuft of scales on the thorax.





