“
Many of the have been found in the company of ants of various species and it is quite possible that most of them may be thus associated to a greater or less degree of intimacy at some stage of their existence, but in only a very cases does this association assume the form of true and life-long , as the case of Megastilicus for example. A correspondent — — recently sent me a specimen of ', with the statement that it had been hatched from pupae found in the nests of ' . Probably in such cases the is an intruder, for the subsequent life-history of the numerous species of and does not appear to be identified in any particular way with that of the ants and they have no specialized structures, as is virtually always the case with true ant-guests.
— THOMAS LINCOLN CASEY JR.