Bug Identifier
Black Bean Aphid
Community identification

Black Bean Aphid

Aphis fabae

Order & Family
Hemiptera, Aphididae
Size
1.5 to 3.1 mm
See this bug in the Encyclopedia

Natural Habitat

Agricultural fields, gardens, and diverse wild host plants

Diet & Feeding

Herbivorous; feeds on plant sap from a wide range of host plants including beans, sugar beet, and celery

Behavior Patterns

They are known for their rapid reproduction, often forming dense colonies on stems and leaves. They exhibit complex life cycles involving seasonal host alternation and both sexual and asexual reproduction.

Risks & Benefits

A major agricultural pest that can cause significant crop damage through direct feeding and by transmitting various plant viruses. They are a food source for many beneficial insects like ladybugs.