The mesostigmal complexes of adult female A. moesta, A. immunda, A. fumipennis violacea, A. sedula, A. plana and A. bipunctulata were examined usingscanning electron microscopy (SEM). Significant differences were noted among all 6 spp. as well as spp. previously reported in the literature, particularly with regard to the mesostigmal lobes and median carina arms.