Plants that support Mountain mahogany gall midge
2 plants
Birch-leaf Mountain-mahogany
Cercocarpus betuloides var. betuloides
tree
Specialist midge forming galls on new growth
Bay Area native
Curl-Leaf Mountain Mahogany
Cercocarpus ledifolius
shrub
Specialized gall-forming midge; larvae develop in leaf galls spring-early summer
Bay Area native