First Merveille du Jour moth of the year, a couple of weeks earlier than 2022
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@sciencebase What do you think its colours and markings are for? I suppose it can hide in mossy wood.
@sciencebase Is 'cost' a typo for 'host' or a term I'd not come across before?
@SteelFolk just my rubbish phone typing. I edited the comment
@SteelFolk yes, it's larval cost plant is the oak, oak commonly has green lichen