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Species Page

black bean aphid

Aphis fabae

Distribution

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Host plants / species affected

Main hosts

show all species affected
Beta spp.
Beta vulgaris (beetroot)
Phaseolus vulgaris (common bean)
Vicia faba (faba bean)
Vicia spp.

List of symptoms / signs

Growing point - external feeding
Inflorescence - external feeding
Inflorescence - honeydew or sooty mould
Leaves - external feeding
Leaves - honeydew or sooty mould
Leaves - wilting
Leaves - yellowed or dead
Whole plant - dwarfing
Whole plant - external feeding
Whole plant - plant dead; dieback

Symptoms

Direct feeding damage results in loss of sap and injury to plant tissues. Young plants are particularly vulnerable. Plants may be stunted and may die under heavy attack. Leaves may appear wilted. Seed formation is subsequently reduced. Indirect damage occurs through virus spread.