🐝 Ants, Bees & Wasps

Lunate Ichneumon

Megarhyssa greenei

About Lunate Ichneumon

A reddish-brown parasitoid wasp native to North America. It targets horntail larvae in hardwood trees and uses its long ovipositor to reach them.

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Did You Know?

It is the smallest of the three North American Megarhyssa species but still impressively large.

How to Identify Lunate Ichneumon

Lunate Ichneumon (Megarhyssa greenei) belongs to the order Hymenoptera, family Ichneumonidae. Adults typically measure 25-40 mm body, ovipositor up to 80 mm.

Lunate Ichneumon Habitat

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

Lunate Ichneumon Diet and Feeding

Lunate Ichneumon 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 Lunate Ichneumon Found?

Lunate Ichneumon can be found in North America, where it inhabits woodlands environments. Its distribution is influenced by climate, food availability, and habitat suitability.

Distribution Map

Where Lunate Ichneumon can be found

Is Lunate Ichneumon Dangerous?

Lunate Ichneumon 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.

Lunate Ichneumon Role in Nature

Lunate Ichneumon 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 Lunate Ichneumon

What does Lunate Ichneumon look like?

The Lunate Ichneumon typically measures 25-40 mm body, ovipositor up to 80 mm.

Where is Lunate Ichneumon found?

The Lunate Ichneumon is found in North America and typically inhabits woodlands environments.

What does Lunate Ichneumon eat?

The Lunate Ichneumon is a parasitoid whose larvae develop inside a host, eventually killing it.

Is Lunate Ichneumon dangerous to humans?

The Lunate Ichneumon 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 Lunate Ichneumon?

It is the smallest of the three North American Megarhyssa species but still impressively large.

Cite This Page

APA:
InsectDiscover. (2026). Lunate Ichneumon (Megarhyssa greenei). Retrieved from https://insectdiscover.com/insect/lunate-ichneumon

MLA:
"Lunate Ichneumon." InsectDiscover, https://insectdiscover.com/insect/lunate-ichneumon.