Hi Kim You say Stilbum cyanurum does not occur in our region. We have sighting 3370266 at STEP, which was confirmed as Stilbum cyanurum. Can you check that?
Hi Michael. I was wrong, Stilbum cyanurum does occur here, and I've deleted my earlier comment in case it causes confusion. If the 'animal size' of 25-50mm is correct for this sighting, that discounts anything else.