Four species of turf-damaging billbugs exist in Utah (in descending order of abundance): bluegrass billbug, hunting billbug, Rocky Mountain billbug (or Denver billbug), and Phoenician billbug (or Phoenix billbug). Managing multiple billbug species in turf is more challenging because of differences in the insects’ biology and phenology. The anthranilic diamides, Acelepryn and Ference, have provided […]