About Rhopalomyia pomum Gagné, 1975
Rhopalomyia pomum Gagné, 1975, commonly known as the sponge gall midge, is a species of gall midge, a type of insect belonging to the family Cecidomyiidae. Individuals of this species form leaf galls on Great Basin sagebrush, which is also called Artemisia tridentata.