Chairperson, Graduate Committee: Matthew T. LavinGillespie, Robert L.2015-05-122015-05-121992https://scholarworks.montana.edu/handle/1/7098enBiogeographyGrasshoppersPests--Integrated controlDynamics of grasshoppers (Orthoptera:Acrididae) at a rangeland-crop interfaceDissertationCopyright 1992 by Robert L. Gillespie