| impact of livestock grazing on abundance of miridae and reduviidae (hemiptera) in crested wheatgrass pastures. | miridae of the genera labops and irbisia, collectively referred to as "black grass bugs," can cause significant damage to wheatgrasses (poaceae) of several genera on western north american rangeland. another mirid in the same area, capsus cinctus (kolenati), causes damage to bluegrass (poa spp.). previous studies suggest that grazing management may reduce mirid populations on rangeland by eliminating preferred oviposition sites and reducing accumulations of litter that provide diurnal refuges fo ... | 2008 | 18459393 |