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Photo#204436
Common Stonefly Nymph - Paragnetina
Copyright © 2008 Stephen Luk

Common Stonefly Nymph - Paragnetina
Orangeville (N43º57'24.1"W080º05'31.8"elev.368m), Dufferin, Ontario, Canada
July 12, 2008
Size: 12 mm
Found beneath rock in a creek. Looks like Paragnetina, as illustrated in Marshall(1).
Contributed by Stephen Luk on 21 July, 2008 - 5:20pm
Last updated 19 December, 2008 - 10:50pm

Don't have the specimen
So I can't take a closer look for the spinules. Thanks for confirming. Moved from Common Stoneflies.
… Stephen Luk, 22 July, 2008 - 1:20pm

Probably...
an immature Paragnetina media. If so, it will have a row of spinules in a ridge across the back of the head (occiput).
… Lloyd Gonzales, 22 July, 2008 - 12:29pm

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