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» Lasius neoniger Nuptial Flight August 2016
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Post by dermy on Thu Sep 10, 2015 6:45 pm

I think the nest bound queen could still fly...
and she must have moved with the reminding, living workers. First, the workers found another suitable place and began to build a new nest there. Some days later, the queen was among the last adults to leave the old nest. Such a "relocation" process is not uncommon when the conditions become somehow unsuitable. The price to pay is grim, since all the brood in the old nest is lost. I think the overheating was indeed the main reason they moved away.
Polistes dominula is still doing well in a similar location, but this is indeed a "hard boiled" species, much more resistant to heat than any temperate zone Vespine wasp, both as adult and as brood.


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