"ideekay" writes:
I am not sure whether I can catch anything that small ! I guess a net made
out of a stocking could suffice , thanks Ian in Bendigo

Slap a strip of wide sticky tape onto a leaf they are on. Take the tape
with its catch to the nursery. If the leaf is stuck on, well and good.
If not, at least the bugs will be and if you fold the tape over, they'll
be stuck for ever.
--
John Savage (for email, replace "ks" with "k" and delete "n")