Embossed Stonefly

(Paragnetina media)


Notes: Adults measure between 20 mm and 60 mm in length. They have yellowish-brown bodies distinguished by dark, raised (embossed) patterns on the thorax and abdomen.

Distribution: Highly widespread and adaptable, found across North America. Variations of the stonefly can be found in every continent except Antarctica.

Location: Ottawa, Ontario, CANADA

All species of Plecoptera are intolerant of water pollution, and the presence of their nymphs in a stream or still water is usually an indicator of good or excellent water quality.