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Siphlonurus phyllis (Gray Drake) Mayfly Nymph Pictures



 This specimen was the first record from Montana and the first record from the mountain west except Alberta where it was first described. It was found in temporary ponds.The nymph has double gills on all segments. The abdominal stripe is an important feature for identification

This mayfly was collected from Temporary ponds- Glacier Nat. Park on July 2nd, 2007 and added to Troutnut.com on June 26th, 2011.

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Siphlonurus phyllis (Gray Drake) Mayfly Nymph from Temporary ponds- Glacier Nat. Park in Alaska
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Siphlonurus phyllis (Gray Drake) Mayfly Nymph from Temporary ponds- Glacier Nat. Park in Alaska
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Siphlonurus phyllis (Gray Drake) Mayfly Nymph from Temporary ponds- Glacier Nat. Park in Alaska

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