Phenolia grossa in Garrett Co., Maryland (9/12/2025). (c) Frode Jacobsen, some rights reserved (CC BY-NC)

A Phenolia grossa in Washington Co., Maryland (5/10/2019). Determined by Marc DiGirolomo/BugGuide.

Phenolia grossa in Washington Co., Maryland (5/12/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC)

A Phenolia grossa in Washington Co., Maryland (5/10/2019). Determined by Marc DiGirolomo/BugGuide.

A Phenolia grossa in Harford Co., Maryland (10/9/2020). Determined by Vassili Belov/BugGuide.

Phenolia grossa in Talbot Co., Maryland (5/22/2021). (c) Jim Brighton, some rights reserved (CC BY-NC)

11 Records

GA AL WA FR CL MO HO BA BC HA CE PG AA CV CH SM KE QA CN TA DO WI SO WO

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Phenolia grossa in Garrett Co., Maryland (9/12/2025). (c) Frode Jacobsen, some rights reserved (CC BY-NC) View Record Details Media by Frode Jacobsen.

A Phenolia grossa in Washington Co., Maryland (5/10/2019). Determined by Marc DiGirolomo/BugGuide. View Record Details Media by Mark Etheridge.

Phenolia grossa in Washington Co., Maryland (5/12/2023). (c) Mark Etheridge, some rights reserved (CC BY-NC) View Record Details Media by Mark Etheridge.

A Phenolia grossa in Washington Co., Maryland (5/10/2019). Determined by Marc DiGirolomo/BugGuide. View Record Details Media by Mark Etheridge.

A Phenolia grossa in Harford Co., Maryland (10/9/2020). Determined by Vassili Belov/BugGuide. View Record Details Media by Dave Webb.

Phenolia grossa in Talbot Co., Maryland (5/22/2021). (c) Jim Brighton, some rights reserved (CC BY-NC) View Record Details Media by Jim Brighton.