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What You Need To Know About Pea Aphid

Pea aphids also known as Acyrthosiphon pisum are sab-sucking insects which belongs to the Aphididae family.

They are about 1.6inch (4mm) long and have a colour range from light to dark green; and are found within the alfafa-growing areas of the United States.

What do they eat

Pea aphid feeds on different kinds of crop plants like beans, alfafa and antichoke in the spring and fall.

How long do they live

They have an estimated lifespan of about 30 days.

How do they reproduce

Adult females start reproduction between 10-12 days and are known to give birth almost every day through asexual mode of reproduction. Each female can give birth to about 12 offsprings called "nymph" daily; and can give birth to about 70-150 offsprings throughout their lifetime.

Cool temperature of about 10°C-15.5°C (50°F-60°F) and dry conditions are mostly preferable for pea aphids to reproduce and develop.

Why do pea aphids explode themselves

Pea aphids explode themselves when they feel threatened, they mix the fluids with their legs and then discharge it so as to entangle or immobilise a predator. They can also explode even after being consumed by a predator.

Are they dangerous

Pea aphids are not poisonous or dangerous to human beings.

Other facts about pea aphids

1. They are able to turn sunlight into energy like plant, i.e they trap light to produce adenosine triphosphate which is a cellular energy current for powering biochemical reactions.

2. They are vivaparous, i.e they reproduce during the spring and summer.

Source:, Wikipedia, and

Content created and supplied by: Overflowingpen (via Opera News )

Acyrthosiphon Pea Pea Aphid


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