Ageneotettix deorum, the whitewhiskered grasshopper, is found widely in Wyoming rangelands, but is most
common in the shortgrass and mixedgrass prairies of eastern Wyoming. The eggs overwinter
in the soil and hatch in late May or early June. Adults are found in July, August,
and early September. It feeds on many species of grasses and sedges, and where this
species is abundant it causes extensive damgae to rangeland forage. Control measures
are often necessary when this species reaches high densities.
Ref: Pfadt 1989, Otte 1981, and Capinera and Sechrist 1982.
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