This gallery contains 5 photos.
The stem gall tephritid fruit fly (Eutreta diana) causes galls to form on tall sagebrush (Artemesia tridentata) following oviposition of a single egg in its axillary or terminal buds. In my last post (“Sagebrush Stem Gall”) I noted that the … Continue reading
This gallery contains 6 photos.
The other day I wandered through some tall sagebrush (Artemisia tridentata) on our property (Lookout CA) looking for sagebrush galls. Artemisia species are galled by many species of midges, tephritid fruit flies and a eriophyid mite. Tall sagebrush (also called … Continue reading