A. craccivora

Aphis craccivora Koch, 1854

Cowpea aphid

Aphis craccivora : adulte aptère
Aphis craccivora : adulte ailé
Aphis craccivora : adultes aptères noirs, brillants
Aphis craccivora : colonie avec adultes aptères

Morphological characters

1.4-2 mm.
Apterous: greyish with light waxy pruinosity; adult apterous are black glossy.
Alate: body black, antennae same length as body, cornicles short, broad and black, cauda black.

See identification file

Life cycles

Essentially anholocyclic.

Host plants   

Highly polyphagous with preference for Fabaceae: Vicia spp (broad bean), Medicago (lucerne), Robinia pseudoacacia (false-acacia) but also on Asteaceae, Cucurbitaceae, Liliaceae, Solanaceae, and Rutaceae for example.

Particular characteristics

This species is visited by ants.

Agronomic impact

A. craccivora causes direct damage if it proliferates abundantly on young plants and transmits numerous diseases like the cucumber mosaic virus (CMV).

Natural enemies

Predators
 

Parasitoids :