My large yellow flowered potentilla shrub is popular with a wide variety of insects especially hoverflies.
Some recent shots showing the size differences between them.
Brian V.
Small dark hoverfly probably Cheilosia impressa


Helophilus pendulus

Syritta pipiens


Volucella zonaria

Comments
An interesting selection. A very nice set.
Harold
Brian v.
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Thanks for the comments Ian and SB
Brian v.
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