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Maccaffertium (March Browns and Cahills) Mayfly Nymph Pictures



 I saw under a microscope that the gills on this specimen aren't tracheated.

This mayfly was collected from unknown on February 7th, 2004 and added to Troutnut.com on January 25th, 2006.

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Maccaffertium (March Browns and Cahills) Mayfly Nymph from unknown in Wisconsin
AuthorTroutnut
CameraOlympus C740UZ
Shown Full Size
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Maccaffertium (March Browns and Cahills) Mayfly Nymph from unknown in Wisconsin
AuthorTroutnut
CameraOlympus C740UZ

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