Blue-winged Olives
Baetis
Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.
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Updates from March 3, 2011
Updates from March 3, 2011
Closeup insects by Entoman from the Lower Yuba River in California
Size - (excluding tails) - 12 mm
Status at time of photo - preserved, but photographed within days of capture.
W. C. Day, Aquatic Insects of California differentiates morrisoni nymphs by submedian pale dots on tergites 8 & 9, which look to be in evidence. This is one of the "super-hatches" on this river that can be prolific March through April.
Entoman
Status at time of photo - preserved, but photographed within days of capture.
W. C. Day, Aquatic Insects of California differentiates morrisoni nymphs by submedian pale dots on tergites 8 & 9, which look to be in evidence. This is one of the "super-hatches" on this river that can be prolific March through April.
Entoman