I came back to my parents' house a week or so late for the L. umbratus flights, and beside, the three colonies that were here before all seem to have died or moved on.
Anyone seen any flights for these in Southern/Central England this year?
I found a few nests that look like L. umbratus in another part of Buckingham, but saw no alates under any of the stones etc. so I'm guessing they must all have flown. I've been turning over stones all afternoon, but not found any queens looking to hibernate. I've seen numerous references to this behaviour but never seen it myself, is it maybe something only seen in American Lasius spp. or have people found it in Britain?
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