Grain Aphid
Sitobion avenae
Insect
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Tiny, pale green aphid clustering on grass and grain stems. Major crop pest that weakens plants by sucking sap; serves as prey for natural predators like hoverflies and parasitic wasps.
Plants that support Grain Aphid
5 plants
California Brome
Bromus carinatus var. carinatus
grass
Foliage
Bay Area native
Creeping Fescue
Festuca rubra
grass
Foliage
Bay Area native
Foxtail Barley
Hordeum jubatum subsp. jubatum
grass
Foliage
Bay Area native
Hair Grass*
Deschampsia cespitosa subsp. holciformis
grass
Foliage
Bay Area native
Slender Wheatgrass
Elymus trachycaulus subsp. trachycaulus
grass
Foliage
Bay Area native