title: Pseudacteon notocaudatus and Pseudacteon obtusitus (Diptera: Phoridae), two new species of fire ant parasitoids from South America.
abstract: Ongoing studies in South America of phorid flies of the genus Pseudacteon Coquillett 1907 have revealed two further new species in this genus that are described here: P. obtusitus and P. notocaudatus. Both species are parasitoids of Solenopsis (F.) fire ants.
authors.affiliation: Brackenridge Field Laboratory, University of Texas, 2907 Lake Austin Boulevard, Austin, Tx 78703, USA.; Email: rob.plowes@austin.utexas.edu.
authors.forename: Robert M
authors.initials: RM
authors.lastname: Plowes
authors.affiliation: Laboratorio de Hormigas, Departamento de Ciencia y Tecnología, Universidad Nacional de Quilmes, Roque Saenz Peña 352, Bernal (B1876BXD), Buenos Aires, Argentina.; Email: pfolgarait@unq.edu.ar.
authors.forename: Patricia J
authors.initials: PJ
authors.lastname: Folgarait
authors.affiliation: Brackenridge Field Laboratory, University of Texas, 2907 Lake Austin Boulevard, Austin, Tx 78703, USA.; Email: lgilbert@austin.utexas.edu.
authors.forename: Lawrence E
authors.initials: LE
authors.lastname: Gilbert
mesh_terms: D063147:Animal Distribution; D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D001000:Ants / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development; D049628:Body Size; D005260:Female; D008297:Male; D009929:Organ Size; D013020:South America