Our ID Notes may contain important tips necessary for distinguishing this gall from similar galls and/or important information about the taxonomic status of this gall inducer.
Plant Galls of the Western United States
“
Leaflet Gall Midge
Contarinia sp.
This midge induces monothalamous, swollen bud galls on joined pairs of leaflets before they open on catclaw.
Unless noted otherwise in the ID Notes, observations of this gall are collected in the Observation Field Gallformers Code with value s-greggii-leaflet-gall-midge on iNaturalist. You can view them here: