Giant Stonefly sp. in Cumberland, Maryland (5/9/2013).

Photo by Matt Tillett MBP List

Giant Stonefly sp. in Cumberland, Maryland (5/9/2013).

Photo by Matt Tillett MBP List

Giant Stonefly sp. in Allegany Co., Maryland (5/10/2015). (c) treichard, all rights reserved. (Photo ID: 205125 - Psn: 45)

View Record Details Photo by Timothy Reichard MBP List

Giant Stonefly sp. in Washington Co., Maryland (4/20/2021). (c) Mark Etheridge, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 365705 - Psn: 52)

Giant Stonefly sp. in Washington Co., Maryland (4/20/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC).

View Record Details Photo by Mark Etheridge MBP List

Giant Stonefly sp. in Allegany Co., Maryland (Date obscured). (c) bangert301, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1104933 - Psn: 52)

Giant Stonefly sp. in Allegany Co., Maryland (Date obscured). (c) bangert301, some rights reserved (CC BY-NC).

View Record Details Photo by bangert301 via iNaturalist MBP List

Giant Stonefly species in Allegany Co., Maryland (5/20/2017). (c) Timothy Reichard, all rights reserved. (Photo ID: 218420 - Psn: 55)

View Record Details Photo by Timothy Reichard MBP List

A Giant Stonefly sp. cast skin in Frederick Co., Maryland (4/13/2014).

View Record Details Photo by Richard Orr MBP List

Giant Stonefly sp. in Washington Co., Maryland (5/2/2020). (c) Jim Moore (Maryland), some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 517470 - Psn: 78)

Giant Stonefly sp. in Washington Co., Maryland (5/2/2020). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC).

View Record Details Photo by Jim Moore MBP List

Giant Stonefly sp. in Frederick Co., Maryland (8/23/2021). (c) Emilio Concari, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 1158112 - Psn: 125)

Giant Stonefly sp. in Frederick Co., Maryland (8/23/2021). (c) Emilio Concari, some rights reserved (CC BY-NC).

View Record Details Photo by Emilio Concari MBP List

Giant Stonefly sp. in Frederick Co., Maryland (8/23/2021). (c) Emilio Concari, some rights reserved (CC BY-NC).

View Record Details Photo by Emilio Concari MBP List

Giant Stonefly sp. in Frederick Co., Maryland (8/23/2021). (c) Emilio Concari, some rights reserved (CC BY-NC).

View Record Details Photo by Emilio Concari MBP List

Map Snapshot

40 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

Seasonality Snapshot

Resources

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Use of media featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

Giant Stonefly sp. in Cumberland, Maryland (5/9/2013). Media by Matt Tillett.

Giant Stonefly sp. in Washington Co., Maryland (4/20/2021). (c) Mark Etheridge, some rights reserved (CC BY-NC). View Record Details Media by Mark Etheridge.

Giant Stonefly sp. in Allegany Co., Maryland (Date obscured). (c) bangert301, some rights reserved (CC BY-NC). View Record Details Media by bangert301 via iNaturalist.

A Giant Stonefly sp. cast skin in Frederick Co., Maryland (4/13/2014). View Record Details Media by Richard Orr.

Giant Stonefly sp. in Washington Co., Maryland (5/2/2020). (c) Jim Moore (Maryland), some rights reserved (CC BY-NC). View Record Details Media by Jim Moore.

Giant Stonefly sp. in Frederick Co., Maryland (8/23/2021). (c) Emilio Concari, some rights reserved (CC BY-NC). View Record Details Media by Emilio Concari.

Source: Wikipedia

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Giant Stonefly sp.

Pteronarcys sp. Newman, 1838

Synonyms

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