Tiny chalcid wasp

Tiny chalcid wasp

Observation - Tiny chalcid wasp - UK and Ireland. Description: I spotted this tiny wasp on the stems of a newly leafing acer in my bit of woodland. It really is minute - maybe 2mm, but beautifully coloured - note the yellow legs with swollen femora and metallic colours elsewhere. Help with id appreciated.

I spotted this tiny wasp on the stems of a newly leafing acer in my bit of woodland. It really is minute - maybe 2mm, but beautifully coloured - note the yellow legs with swollen femora and metallic colours elsewhere. Help with id appreciated.