Agriotypus armatus

High school (ages 12+)
Animals & Nature

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/agriotypus-armatus

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the scientific name?Agriotypus armatus
2. What is the geographic distribution?Native to Europe and the Russian Far East
3. How does Agriotypus armatus feed on its host?The female wasp lays eggs on the outside of caddisfly pupae. The hatching larvae eat the host from the outside and grow inside the pupae’s case.
4. Why is Agriotypus armatus important for rivers?By eating caddisfly pupae, it prevents too many caddisflies from crowding the water, which keeps fish and other river life healthy.

Idiobiont: A parasitoid that attacks its host when the host is in a relatively immobile or quiescent stage of development.
Ectoparasitoid: A parasitoid that develops on the external surface of its host.
Trichoptera: An order of insects, commonly known as caddisflies, characterized by aquatic larvae and adults with hairy wings.
Co-evolution: The process where two species influence each other's evolution through reciprocal selective pressures.