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Sunday, 2 July 2017

Cnwc weekend

We returned to Cnwc (Brechfa) for a sunny weekend and I jotted down a few moths.  The porch light was really productive, with 42 species of moth!  Highlights included 2 Grey Arches, 3 Double-line, 1 Northern Spinach and 1 Minor Shoulder-knot.


The birch trees that have grown up in a clearing in our wood produced mines of Stigmella lapponica, Phyllonorycter ulmifoliella, Ectoedemia minimella (photo) and a few mines (photo) with spiralling frass that could be Eriocrania sparmanella but are probably sawflys.  A leaf roll on Birch held a larva that appears not to be Anacampsis, so I'm guessing there's a Tortricid or two that roll Birch leaves as well...


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