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We hear constantly reports of it being a bad year for this, a bad year for that..., so I thought it worth reporting that on Knapweed, Ragwort, Water Mint...etc in the Vale of York, there are large numbers of bumblebees at the moment. As a result, I have never recorded so many Conopid flies, which parasitise the bees. Last week, on a small patch of Water Mint (about 6 metres long by 2 metres across) I recorded 30 Conops quadrifasciatus, 10 Conops flavipes, 1 Conops strigatus, 10 Sicus ferrugineus and 1 Physocephala rufipes...all at the same time. The number of bumblebees was equally impressive. An incredible sight!
Anyone else noticed the same? Or any other species thriving locally, this year?