Invertebrate Photographs - Plecoptera (stoneflies)

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All photographs marked with ESC were taken at USEPA's Region 3 Environmental Science Center at Fort Meade, Maryland. Many thanks to Dave Russell, invertebrate biologist, for arranging the instruction and assistance with the use of the Olympus SZX12 miscroscope with an Olympus model DC330 optical mount. Also see our page on stoneflies for more information.

Stoneflies (Plecoptera)

*Eccoptura sp.* Perlidae Subfamily Acroneuriinae ESC	*Eccoptura sp.* Perlidae Subfamily Acroneuriinae (note branched filamentous gills) ESC	*Eccoptura sp.* Perlidae Subfamily Acroneuriinae ESC
*Isoperla sp.* Perlodidae Subfamily Isoperlinae ESC	*Isoperla sp.* Perlodidae Subfamily Isoperlinae (note paraglossa produced forward of glossa) ESC	*Amphinemura sp.* Nemouridae Subfamily Amphinemurinae
Paragnetina immarginata Perlidae Subfamily Perlinae	*Tallaperla sp.* Peltoperlidae Subfamily Peltoperlinae	Allocapnia sp. Capniidae Subfamily Capniinae
Leuctra sp. Leuctridae Subfamily Leuctrinae	Malirekus sp. Perlodidae Subfamily Perlodinae	Tanionema sp. Taeniopterygidae Subfamily Brachypteryinae

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Invertebrate Photographs - Plecoptera (stoneflies)

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