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Alfalfa Caterpillar Parasite

Cotesia medicaginis

About Alfalfa Caterpillar Parasite

A small braconid wasp that parasitizes alfalfa butterfly caterpillars in agricultural fields. Larvae spin white cocoons after emerging from the host.

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Did You Know?

It can reduce alfalfa caterpillar populations by over 50% in some fields without any pesticide use.

How to Identify Alfalfa Caterpillar Parasite

Alfalfa Caterpillar Parasite (Cotesia medicaginis) belongs to the order Hymenoptera, family Braconidae. Adults typically measure 2-4 mm.

Alfalfa Caterpillar Parasite Habitat

Alfalfa Caterpillar Parasite is found in farmland habitats, particularly across North America. This species has adapted to thrive in its preferred environment, where it can find suitable food sources and shelter.

Alfalfa Caterpillar Parasite Diet and Feeding

Alfalfa Caterpillar Parasite is a parasitoid whose larvae develop inside or on a host insect, eventually killing it. Parasitoids are important biological control agents in agriculture and natural ecosystems.

Where Is Alfalfa Caterpillar Parasite Found?

Alfalfa Caterpillar Parasite can be found in North America, where it inhabits farmland environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Alfalfa Caterpillar Parasite can be found

Is Alfalfa Caterpillar Parasite Dangerous?

Alfalfa Caterpillar Parasite belongs to the order Hymenoptera, which includes many stinging insects. While not typically aggressive, it may sting if threatened or handled. Stings can cause pain and swelling, and in rare cases may trigger allergic reactions in sensitive individuals.

Alfalfa Caterpillar Parasite Role in Nature

Alfalfa Caterpillar Parasite is an important biological control agent. As a parasitoid, its larvae develop inside host insects, naturally regulating pest populations. This makes it valuable in integrated pest management strategies.

Seasonal Activity

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Peak activity Moderate Low / dormant

Frequently Asked Questions About Alfalfa Caterpillar Parasite

What does Alfalfa Caterpillar Parasite look like?

The Alfalfa Caterpillar Parasite typically measures 2-4 mm.

Where is Alfalfa Caterpillar Parasite found?

The Alfalfa Caterpillar Parasite is found in North America and typically inhabits farmland environments.

What does Alfalfa Caterpillar Parasite eat?

The Alfalfa Caterpillar Parasite is a parasitoid whose larvae develop inside a host, eventually killing it.

Is Alfalfa Caterpillar Parasite dangerous to humans?

The Alfalfa Caterpillar Parasite belongs to the order Hymenoptera, which includes stinging insects. While not typically aggressive, it may sting if threatened or handled.

What is an interesting fact about Alfalfa Caterpillar Parasite?

It can reduce alfalfa caterpillar populations by over 50% in some fields without any pesticide use.

Cite This Page

APA:
InsectDiscover. (2026). Alfalfa Caterpillar Parasite (Cotesia medicaginis). Retrieved from https://insectdiscover.com/insect/alfalfa-caterpillar-parasite

MLA:
"Alfalfa Caterpillar Parasite." InsectDiscover, https://insectdiscover.com/insect/alfalfa-caterpillar-parasite.