Ed 5 River Monitoring




During todays River Monitoring Initiative sampling on the River Meon, among the usual suspects, we found this distinctly yellow nymph. It's about the same size as most of the Olives and BWOs we find, but this stand-out colour which I haven't come across in over three years' of monthly samplings.
Can anyone identify it?

Comments

  1. Went to the BFFI today where the inestimable Stuart Croft told me that this was a newly moulted Baetis/Olive, very yellow & see-through at first but turning to brown/olive inside 24hours

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