Parasitoid phorid flies (Diptera: Phoridae) from the threatened leaf cutter ant Atta robusta Borgmeier (Hymenoptera: Formicidae)

摘要

Phorid flies are well known natural enemies of leafcutter ants, but there is no information on phorid species associated with the threatened species Atta robusta Borgmeier. During 2009 and 2010 we collected phorid parasitoids of A. robusta at Guriri Island, Espirito Santo (18°43'S; 39°45'W) and at Rio de Janeiro city (23°01'S; 43°28'W). Three new species were found: Eibesfeldtphora breviloba Brown, E. digitata Brown, and Myrmosicarius exrobusta Brown. These species, the attack behavior of the twospecies of Eibesfeldtphora, as well as the anti-parasitoid defense behavior of A. robusta, are described.