Fairly large black insect

Fairly large black insect

Observation - Fairly large black insect - UK and Ireland. Description: Further to my recent post “Fleeing Hymenopteran” (which proved to be a longhorn beetle), there seem to be two pairs of wings here, both membranous. So, Symphyta perhaps this time round?

Further to my recent post “Fleeing Hymenopteran” (which proved to be a longhorn beetle), there seem to be two pairs of wings here, both membranous. So, Symphyta perhaps this time round?