Caterpillars Count! Citizen Science Project


Caterpillars Count! Citizen Science Project

Yellow, black and green Black swallowtail caterpillar on a green bush

In the citizen science project Caterpillars Count!, participants conduct surveys on the branches of trees and shrubs to monitor seasonal variation and abundance of arthropods like caterpillars, beetles, and spiders, and to establish critical baseline data for evaluating long term trends.

The project can be easily carried out ANYWHERE IN THE WORLD with woody vegetation, especially:

For more details on the project and what hosting a survey site for Caterpillars Count! entails, watch the short video on our project website, and check out the Frequently Asked Questions page.

Register for one of our free webinars offered in April and learn how to get involved!

In the meantime, do not hesitate to contact us if we can answer any questions.  You can reach the team by emailing


Best wishes,

Allen Hurlbert


Department of Biology

University of North Carolina

Director, Caterpillars Count!