Thanks for the replies. The branch was too big to go in the oven(i did try leaving it half in, but the heat didnt get up enough), so i did get the blow torch on it, after pouring boiling water on it, and in a beach bath overnite, these things still hatched!! amazing
southb, thanks for link, yes that is what they look like.I can't be 100%, but they look like that, same colour with long feelers
Any alternatives if i have to ditch it, as my BP likes to explore and climb.