Family Pteronarcyidae

Taxon ID: 27480

Summary

Maryland Biodiversity Project has documented 5 taxa in Family Pteronarcyidae spanning 1 genus.

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Records

MBP has 75 records spanning nine counties.

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Direct Child Taxa (1)

Genus Pteronarcys

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Media

23 displayed media

A Giant Black Stonefly in Frederick Co., Maryland (4/14/2013).

Giant Black Stonefly (Pteronarcys dorsata (Say, 1823)) Media by Bonnie Ott

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

Giant Stonefly sp. (Pteronarcys sp. Newman, 1838) Media by Matt Tillett

A Giant Black Stonefly exuvia in Frederick Co., Maryland (4/8/2013).

Giant Black Stonefly (Pteronarcys dorsata (Say, 1823)) Media by Bonnie Ott

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

Giant Stonefly sp. (Pteronarcys sp. Newman, 1838) Media by Matt Tillett

A female Knobbed Salmonfly in Frederick Co., Maryland (4/19/2014).

Knobbed Salmonfly (Pteronarcys biloba Newman, 1838) Media by Bonnie Ott View Record

A female Knobbed Salmonfly in Frederick Co., Maryland (4/19/2014). <a href='https://www.flickr.com/photos/dragonflyhunter/13980997063/in/pool-marylandbiodiversityproject/' target=' blank' class='darkerText'>View ID video</a>.

Knobbed Salmonfly (Pteronarcys biloba Newman, 1838) Media by Richard Orr View Record

Giant Stonefly sp. in Allegany Co., Maryland (5/10/2015). (c) treichard, all rights reserved.

Giant Stonefly sp. (Pteronarcys sp. Newman, 1838) Media by Timothy Reichard View Record

A female Knobbed Salmonfly in Frederick Co., Maryland (4/19/2014).

Knobbed Salmonfly (Pteronarcys biloba Newman, 1838) Media by Bonnie Ott View Record

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>).

Giant Stonefly sp. (Pteronarcys sp. Newman, 1838) Media by bangert301 via iNaturalist View Record

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>).

Giant Stonefly sp. (Pteronarcys sp. Newman, 1838) Media by Mark Etheridge View Record

A female Knobbed Salmonfly in Frederick Co., Maryland (4/19/2014).

Knobbed Salmonfly (Pteronarcys biloba Newman, 1838) Media by Bonnie Ott View Record

Giant Stonefly species in Allegany Co., Maryland (5/20/2017). (c) Timothy Reichard, all rights reserved.

Giant Stonefly sp. (Pteronarcys sp. Newman, 1838) Media by Timothy Reichard View Record

Giant Stonefly sp. in Washington Co., Maryland (4/19/2025). (c) Frode Jacobsen, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>).

Giant Stonefly sp. (Pteronarcys sp. Newman, 1838) Media by Frode Jacobsen View Record

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

Giant Stonefly sp. (Pteronarcys sp. Newman, 1838) Media by Richard Orr View Record

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>).

Giant Stonefly sp. (Pteronarcys sp. Newman, 1838) Media by Jim Moore View Record

Knobbed Salmonfly in Frederick Co., Maryland (3/3/2022). (c) Emilio Concari, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>).

Knobbed Salmonfly (Pteronarcys biloba Newman, 1838) Media by Emilio Concari View Record

Knobbed Salmonfly in Carroll Co., Maryland (2/23/2022). (c) Emilio Concari, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>).

Knobbed Salmonfly (Pteronarcys biloba Newman, 1838) Media by Emilio Concari View Record

Knobbed Salmonfly in Carroll Co., Maryland (2/23/2022). (c) Emilio Concari, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>).

Knobbed Salmonfly (Pteronarcys biloba Newman, 1838) Media by Emilio Concari View Record

Knobbed Salmonfly in Frederick Co., Maryland (3/3/2022). (c) Emilio Concari, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>).

Knobbed Salmonfly (Pteronarcys biloba Newman, 1838) Media by Emilio Concari View Record

A Knobbed Salmonfly emerging in Frederick Co., Maryland (04/19/2014).

Knobbed Salmonfly (Pteronarcys biloba Newman, 1838) Media by Richard Orr View Record

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>).

Giant Stonefly sp. (Pteronarcys sp. Newman, 1838) Media by Emilio Concari View Record

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>).

Giant Stonefly sp. (Pteronarcys sp. Newman, 1838) Media by Emilio Concari View Record

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>).

Giant Stonefly sp. (Pteronarcys sp. Newman, 1838) Media by Emilio Concari View Record

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