_Commensal._--_Sphecophila termitium_, Kibonoto, East Africa (Shelford, 1910): Two males were collected in a termite mound. =Macrotermes malaccensis= (Haviland) _Synonymy._--_Termes malaccensis_ Haviland [Snyder, 1949]. _Commensal._--_Nocticola termitophila_, Tonkin (Silvestri, 1946): The cockroach was found in the termite nest. =Odontotermes= sp. _Commensals._--_Nocticola sinensis_, Kowloon (Silvestri, 1946): In termite nest. _Nocticola termitophila_, Penang (Silvestri, 1946): In termite nest. =Termes= sp. _Commensal._--_Nocticola sinensis_, Repulse Bay, Australia(?) (Silvestri, 1946): In a termite gallery. =Termites= _Commensal._--_Ergaula capensis_ [= _Dyscologamia wollastoni_] French Equatorial Africa, Brazzaville (Rehn, 1926; Chopard, 1949). Order HYMENOPTERA Family FORMICIDAE Subfamily FORMICINAE =Camponotus femoratus= (Fabricius) _Commensal._--_Phorticolea boliviae_, Bolivia, Cachuela Esperanza (Caudell, 1923): Three males collected in the joint nests of _C. femoratus_ and _Crematogaster limata_. =Camponotus maculatus= (Fabricius)? _Note._--Dr. W. L. Brown (personal communication, 1957) states that this ant is an Old World species only. So presumably Mann's record pertains to a different species. _Commensal._--_Myrmecoblatta rehni_, Mexico (Mann, 1914): "They were very abundant, several occurring in almost every nest, where they are no doubt very efficient scavengers." =Camponotus rufipes= (Fabricius) _Commensals._--_Atticola mortoni_, _Nothoblatta wasmanni_, and _Phorticolea testacea_, Brazil, San Leopoldo (Bolívar, 1905): Found in the formicaries of _C. rufipes_. =Formica rufibarbis= Fabricius and =Formica subcyanea= Wheeler _Commensal._--_Myrmecoblatta rehni_, Mexico (Mann, 1914): "They were very abundant, several occurring in almost every nest." Subfamily MYRMICINAE =Acromyrmex lobicornis= Emery _Commensal._--_Attaphila bergi_, or possibly a variety of this species, Huasán, Argentina? (Bruch, 1916). =Acromyrmex lundi= (Guérin) _Synonymy._--_Atta lundi_ [Brown, personal communication, 1957]. _Commensal._--_Attaphila bergi_, Argentina and Uruguay (Bolívar, 1901): The cockroach was found in the nests of the ants sitting on the back, neck, or head of sexual individuals. It remains attached to the ant during swarming. The antennae seem always to be mutilated. Bruch (1916) stated that in La Plata _A. bergi_ is encountered by hundreds in every nest of _A. lundi_. =Acromyrmex niger= (F. Smith) _Synonymy._--_Atta nigra_ Schupp [Brown, p.c., 1957]. _Commensal._--_Attaphila schuppi_, Brazil, Porto Alegre (Bolívar, 1905): Found outside the nest of the ant and mixed in the columns of ants on the march. =Acromyrmex octospinosus= (Reich) _Synonymy._--_Atta octospinosa_ [Brown, p.c., 1957]. _Commensals._--_Attaphila fungicola_, Panama (Wheeler, 1928): Taken in the fungus gardens of the ant. _Attaphila aptera_, Esperanza, Dibulla, Colombia (Bolívar, 1905). =Acromyrmex silvestrii= Emery