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Baetisca (Armored Mayflies) Mayfly Nymph Pictures

 I'm unsure which species this is: it lacks the usual features of B. laurentina, but it's small, so maybe it's just an underdeveloped early instar (Instar: Many invertebrates molt through dozens of progressively larger and better-developed stages as they grow. Each of these stages is known as an instar. Hard-bodied nymphs typically molt through more instars than soft-bodied larvae.). Otherwise, it looks like it might be B. obesa.

This mayfly was collected from unknown on January 14th, 2004 and added to Troutnut.com on January 25th, 2006.

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Baetisca (Armored Mayflies) Mayfly Nymph from unknown in Wisconsin
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Baetisca (Armored Mayflies) Mayfly Nymph from unknown in Wisconsin
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Baetisca (Armored Mayflies) Mayfly Nymph from unknown in Wisconsin
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Baetisca (Armored Mayflies) Mayfly Nymph from unknown in Wisconsin

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