In April 2011 I collected some old teasel heads from the Knaresborough by-pass with the intention of rearing the moth Endothenia gentianaeana. Most of the teasels did in fact house a larva.
This parasitoid wasp appeared in the container on 28/4/11
Unfortunately it was damaged en route to Mark Shaw and the exact species was unable to be determined.
Campoplex is a very large genus.