This caterpillar was found on 28 June in an artificial pond, eating water milfoil (beside milfoil, it had a real taste for banana, which I found out by accident) In early July the caterpillar spun a loose, hairy cocoon in which it suspended itself in the centre. No pupa formed. Instead, smaller white cocoons appeared alongside the caterpillar. I've tried to capture this in picture 5. Nothing has happened to this construct since, it still looks the same as in the picture.
Yes, I wasn't sure about this choice either. That's what AI suggested and I went with it as one sighting from QPRC LGA in 2024 shown on NatureMapr had a similar striping pattern. Also was wondering if A. canescens really would eat milfoil - this seems to me quite an unusual choice of food
Also just noticed that A. canescens builds its cocoon in soil litter, whereas the caterpillar shown here built its cocoon up away from the ground. So another argument against A. canescens