A Sialis species in Harford Co., Maryland (5/4/2016). Determined by Steve Scholnick.

A Sialis species in Montgomery Co., Maryland (4/18/2016).

Sialis species in Montgomery Co., Maryland (5/6/2023). (c) Matthew Beziat, some rights reserved (CC BY-NC).

A Sialis species in Harford Co., Maryland (5/5/2018).

Sialis species in Prince George's Co., Maryland (5/11/2024). (c) Matthew Beziat, some rights reserved (CC BY-NC).

Sialis species in Montgomery Co., Maryland (4/19/2025). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).

17 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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A Sialis species in Harford Co., Maryland (5/4/2016). Determined by Steve Scholnick. View Record Details Media by Bob Cammarata.

A Sialis species in Montgomery Co., Maryland (4/18/2016). View Record Details Media by Steve Scholnick.

Sialis species in Montgomery Co., Maryland (5/6/2023). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

A Sialis species in Harford Co., Maryland (5/5/2018). View Record Details Media by Josh Emm.

Sialis species in Prince George's Co., Maryland (5/11/2024). (c) Matthew Beziat, some rights reserved (CC BY-NC). View Record Details Media by Matthew Beziat.

Sialis species in Montgomery Co., Maryland (4/19/2025). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). View Record Details Media by Jim Moore.