Authors: Orr, MR Seike, SH Benson, WW Dahlsten, DL

Citation: Mr. Orr et al., Host specificity of Pseudacteon (Diptera : Phoridae) parasitoids that attack Linepithema (Hymenoptera : Formicidae) in South America, ENV ENTOMOL, 30(4), 2001, pp. 742-747

Authors: Orr, MR Smith, TB

Citation: Mr. Orr et Tb. Smith, Ecology and speciation, TREND ECOL, 13(12), 1998, pp. 502-506

Authors: Orr, MR Seike, SH

Citation: Mr. Orr et Sh. Seike, Parasitoids deter foraging by Argentine ants (Linepithema humile) in theirnative habitat in Brazil, OECOLOGIA, 117(3), 1998, pp. 420-425