Pea aphid

Acyrthosiphon pisum

Adults are 4 mm long and may be yellow, green or pink. There are dark bands around the antennae segments. They have long siphunculi (tube-like projections on either side at the rear of the body). Adults may have wings. Nymphs are similar but smaller in size.

Adults and nymphs suck sap causing misshapen leaves, yellowing and stunting. PA can spread bean leafroll virus in chickpeas. It is usually the least abundant of aphids on legume pastures, often occurring in association with BGA.

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