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Monday, 9 March 2015

Disturbing... a good way!

Winter work parties don't usually offer much in the way of adult insects, but there's always the chance of disturbing a moth or two on a mild day.

Last Friday at Cwmduhen Farm (SN3421, west of Carmarthen) I disturbed singles of Acleris cristana and the Common Plume Emmelina monodactyla while pulling brambles off Blackthorn bushes to benefit Brown Hairstreak butterfly. The previous week, I disturbed a single Acleris hastiana while cutting back scrub to benefit Marsh Fritillary, at our Median Farm reserve at Cross Hands.

All of these species overwinter as adults. A. cristana feeds as a larva on blackthorn and hawthorn, so its presence on a Brown Hairstreak site is no surprise. A. hastiana feeds on willows, which are all too abundant at Median Farm.

Sorry no photos I'm afraid!


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