argentina Bruch Pheidole Pheidole Pheidole in the New World. A dominant, hyperdiverse ant genus. Wilson, E. O. 4FY7G urn:lsid:biosci.ohio-state.edu:osuc_concepts:33594 Insecta Formicidae Pheidole CoL Animalia Pheidole argentina (Bruch) Pheidole argentina (Bruch) Hymenoptera 267 Arthropoda species argentina  Gallardomyrma argentina Bruch1932: 273. Placed in Pheidoleby generic synonymy ( Pheidole= Gallardomyrma) by W. L. Brown 1973b: 180.  Etymology Named after the country of origin.  diagnosis An extreme workerless parasite of Pheidole nitidula. The queen possesses a trait unique within the ants: the antenna is 10-segmented, with a well-developed, 1-segmented club. Also, the body is somewhat pupiform and the mandibles are reduced to toothless straps.  measurements (mm) Syntype queen: according to Bruch (1932), the total length of a queen in the type series is 1.7 mm. Color Head, especially vertex, brownish yellow; mesosoma, waist, and gaster (except the apex) grayish brown..  range Known only from the type locality.  Biology A permanent workerless parasite of Pheidole nitidula.  figure Syntype, queen. (Adapted from Bruch 1932.) ARGENTINA: Alta Gracia (La Granja), Sierra de Cordoba (Carlos Bruch). Scale bar = 1 mm.