Bird Cherry-Oat Aphid
Rhopalosiphum padi
Insect
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Small, dark green to blackish aphid on grasses and birch trees. Plant sap-feeder; significant crop and ornamental pest in Bay Area; prey for beneficial insects.
Plants that support Bird Cherry-Oat Aphid
5 plants
California Brome
Bromus carinatus var. carinatus
grass
Foliage
Bay Area native
Foxtail Barley
Hordeum jubatum subsp. jubatum
grass
Foliage
Bay Area native
Pale Galingale
Cyperus eragrostis
grass
Foliage
Bay Area native
Slender Wheatgrass
Elymus trachycaulus subsp. trachycaulus
grass
Foliage
Bay Area native
Spike Bent
Agrostis exarata
grass
Foliage
Bay Area native