Laboratory bioassay whitewhiskered grasshopper ageneotettix deorum scudder bigheaded grasshopper aulocara elliotti thomas dawsons spur throat grasshopper melanoplus dawsoni scudder redlegged grasshopper melanoplus femurrubrum degeer flabellate grasshopper melanoplus occidentalis thomas lesser migratory grasshopper melanoplus sanguinipes f obscure grasshopper opeia obscura thomas p quad grasshopper phlibostroma quadrimaculatum thomas feeding test on toxicity of insecticidal baits to range
Laboratory bioassay whitewhiskered grasshopper ageneotettix deorum scudder bigheaded grasshopper aulocara elliotti thomas dawsons spur throat grasshopper melanoplus dawsoni scudder redlegged grasshopper melanoplus femurrubrum degeer flabellate grasshopper melanoplus occidentalis thomas lesser migratory grasshopper melanoplus sanguinipes f obscure grasshopper opeia obscura thomas p quad grasshopper phlibostroma quadrimaculatum thomas feeding test on toxicity of insecticidal baits to range