Regal Fritillary Field Guide

A field guide for the regal fritillary (Speyeria idalia), including information on life history, habitat, larval hostplants and nectar plants, and habitat restoration recommendations.

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Fact Sheet
Program
A rocky shoreline of a river. The water is calm. Mist and green branches line the river.
The Ecological Services Program works to restore and protect healthy populations of fish, wildlife, and plants and the environments upon which they depend. Using the best available science, we work with federal, state, Tribal, local, and non-profit stakeholders, as well as private land owners, to...
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FWS and DOI Region(s)