8Davis RM,Skold MD,Berry JS,et al.1992.The economic threshold for grasshopper control on public rangeland.Journal of Agricultural and Resource Economics,17:56-65.
9Onsaber JA,Hewitt GB.1982.Rangeland grasshoppers:Average longevity and daily rate of mortality among six species in nature.Environmental Entomology,11:127-133.
10Rosenberg J,Burt PJA.1999.Windborne displacements of Desert Locusts from Africa to the Caribbean and South America.Aerobiologia,15:167-175.