Garrya gall midge
Asphondylia garryae
insectView on iNaturalist
Tiny midge creating galls on native Garrya shrub leaves. Specializes on silktassel plants; galls shelter predatory mites and beneficial insects.
Plants that support Garrya gall midge
2 plants
Ashy Silk-tassel
Garrya flavescens
shrub
Specialist gall former on Garrya; larval development in galls year-round
Bay Area native
Spice Bush (Silk Tassel)
Garrya elliptica
shrub
Larval host plant; galls develop on foliage in spring
Bay Area native