Four Palamedes Swallowtails on a Yellow Thistle

Photo By/Credit

Beverly Meekins

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Copyrighted, All Rights Reserved - Used by Permission
Image
Four palamedes swallowtails nectar on a single thistle flower head. These spiky wildflowers, also called bristle or bull thistle, are excellent pollinator food sources in early spring. At times, more than a dozen swallowtails can cover a single flower head!
Subject tags
Insects
Pollinators