Following are species on which I have collected galls, presumably of Asteromyia, but from which no larvae, pupae, or adults were available for study....
...
Aster abatus Blake—Calif.
[This could also represent an extension of a known Asteromyia species' host-range to the genus Xylorhiza. This page is provided provisionally in case the gall-former on Xylorhiza is an undescribed species.]
”- Raymond J. Gagné: (1968) A Taxonomic Revision of the Genus Asteromyia (Diptera: Cecidomyiidae)©