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The Specimen

Gomphidae Dragonfly NymphGomphidae  Dragonfly Nymph View 3 Pictures
Collected January 13, 2004 from the Namekagon River in Wisconsin
Added to Troutnut.com by on January 25, 2006

The Discussion

WaxsmithFebruary 11th, 2011, 7:26 pm
CANADA

Posts: 6
I do know these nymphs are biggies alright, but just what is the average size of them, like their length in "mm"?
What is this supposed to look like, example please.
TaxonFebruary 11th, 2011, 9:33 pm
Site Editor
Plano, TX

Posts: 1308
A.K.-

According to McCafferty, Gomphid (Clubtail) nymphs generally measure from 23-40 mm. (and rarely as long as 65 mm.) at maturity.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com

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