SEARCH Articles Figures Tables Blowflies Calliphora erythrocephala Calliphora bioassay Calliphora bioassay 2p, 14a,-dihydroxy-5a-cholest-7en-6-one activity Calliphora bioassay 3p,14a-4,6,8 -triene activity Calliphora bioassay as ecdysteroid activity assay Calliphora erythrocephala Calliphora vomitoria Tissue bioassays use of Calliphora victina