TY - GEN AU - Gillespie,Robert L. AU - Kem,William P. TI - Sampling method assessment and quantification of temporal shifts in densities of grasshopper species () between winter wheat, Triticum aestivum, and adjacent rangeland KW - Insectos KW - Entomología KW - Metodos de muestreo KW - Densidad poblacional KW - Habitat animal KW - Langostas KW - Montana KW - Estados Unidos KW - Triticum KW - Triticum aestivum KW - Melanoplus KW - Melanoplus sanguinipes KW - Melanopus KW - Melanopus bivittatus KW - Melanopus packardii ER -