Had a rough few days doing nowt, although my part-rejuvenation has coincided with the weather briefly perking up so perhaps I will get out tomorrow. In the meantime, any action has been indoors.
Last year I found a sawfly larva in the garden that I'd have to try and rear through to confirm which species - Abia lonicera or Abia aenea. Remarkably it survived despite being mistreated for prolonged periods and a spell of very cold weather whilst any larvae and pupae I had were in the shed, and it emerged on Friday 26/03/2021 after being transferred to a newly acquired rearing cage. I was hoping that would be enough, but sadly not - it appears that the adults are not readily separable either and it's going to have to be pinned and scrutinised more closely to confirm (by absence/presence of microsculpture on mesosternum). There is also a subjective antennal character which I can't make head or arseholes of. It is far more likely to be Abia lonicera; that was apparently new to VC55 in 2018 and there are a number of subsequent records although it's not clear that any have been properly scrutinised. There are apparently no records of Abia aenea for VC55.