''Papaipema eryngii'', the rattlesnake-master borer, is a species of cutworm or dart moth in the family

Noctuidae The Noctuidae, commonly known as owlet moths, cutworms or armyworms, are a family of moths. They are considered the most controversial family in the superfamily Noctuoidea because many of the clades are constantly changing, along with the other f ...

. It is found in North America. It bores into the rattlesnake master, Eryngium yuccifolium at the stalk, inverts and develops, killing the plant in the process. In order to mature, the moth needs a mature rattlesnake master or multiple young stalks.

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