Morris's Leafminer Moth
Common NameMorris's Leafminer Moth
Scientific NameMacrosaccus morrisella
FamilyGracillariidae
SubfamilyGracillariinae
Wingspan (mm)7
Primary Colorswhite, brown, black, gold
HabitatDeciduous forests, woodlands, and disturbed areas where host plants are present
Geographic RangeEastern North America
Host PlantsRobinia pseudoacacia (Black Locust)
Flight PeriodMay to September (multiple broods)
Flight Stylefluttering
Conservation Statusleast-concern
Lifecycle NotesLarvae are leaf miners, creating characteristic mines within the leaves of Black Locust trees. Pupation typically occurs within the leaf mine or in a cocoon on the leaf surface.
Identification TipsDistinguished by its minute size, the striking white tuft on its head, and the complex, mottled pattern of its forewings. Its strong association with Black Locust trees is also a key identifier.
Description
A very small moth with a prominent white tuft on its head. Its forewings are intricately patterned with a mix of white, brown, black, and metallic golden scales, giving it a mottled or striped appearance.
