Near small ponds east of Churchill, Manitoba
Eye seam looks short, and the T-spot is fairly flat. I ran it past Dennis and Rob who felt it was good for A. septentrionalis. Surprisingly, this is the first iNat record for BC.
Fairly even colouration of pattern along abdomen; and T-spot looks flat on bottom, more like A. septentrionalis.
Female ovipositing into vertical standing dead conifer stump. Deposited into at least 3 cracks within 1 minute observed. One photo shows yellow egg mass similar to https://bugguide.net/node/view/235837