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.
The plant-feeding gall midges of North America
“
Acacia (acacia)
Swollen bases of joined pairs of leaflets....Contarinia sp.
Each gall contains one larva. Adults were reared in March. Host: A. greggii. Distr.: California.
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: