NATIVE RANGE: North America
FIRST FINDING IN SLOVENIA: 2004
PATHWAYS: transported with tree saplings
POSSIBLE TO FIND: May-October
FLIGHT SEASON OF ADULTS: May-October
HABITAT: Forests, farmland, urban environments where Black locust trees are present.
STATUS IN SLOVENIA: Widespread everywhere where Black locust trees occur.
SIMILAR SPECIES: Several other midge species can not be distinguished with bare eyes, but the shape of the galls is characteristic.