Thursday, 28 September 2017
The Box-tree Moth (Cydalima perspectalis) comes in two colour forms, 'light' and 'dark', with the former being much the commoner. One of the latter turned up in the garden MV this morning (above), until now all five of my records have been of the former (below).
This pest of box is starting to get a worrying toe-hold in parts of SW London and northern Surrey, with one observer recording it in three figure numbers! In a vain attempt to protect the population of wild Box that exists only a few miles from me, I killed the first one that I trapped - it's too late for that now I fear...