An Olethreutes osmundana in Worcester Co., Maryland (6/28/2015).

Olethreutes osmundana in Garrett Co., Maryland (6/21/2025). (c) Frode Jacobsen, some rights reserved (CC BY-NC).

9 Records

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Larval host plants include Royal Fern, Cinnamon Fern, and Brackenfern, and likely exclude ragweed (Gilligan, Wright, & Gibson, 2008).

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An Olethreutes osmundana in Worcester Co., Maryland (6/28/2015). View Record Details Media by Mike Burchett.

Olethreutes osmundana in Garrett Co., Maryland (6/21/2025). (c) Frode Jacobsen, some rights reserved (CC BY-NC). View Record Details Media by Frode Jacobsen.