I noticed this white stuff on one of my pots, so being at our leisure decided to have a look.
We cut the stem off, chopped and chopped through the hollowed out stem until we saw a stripey end peeking out.
Another snip and this little wasp fell out. Never seen this before. Know there are wasps that do this. Wonder if its due to this warm damp summer and the bugs are breeding? Anyone else seen one of these little guys? He was about 1cm long