Wireworms are the subterranean larvae of click beetles (Coleoptera: Elateridae). Many species are worldwide pests of numerous crops, including potatoes and sweetpotatoes by feeding on seeds and tunneling into tubers. This damage leads to both diminished yields and quality, causing significant economic losses for farmers. Although historically soil-applied insecticides have been successful in combating wireworms, the deregistration of previously used insecticides (cyclodienes, organophosphates, and carbamates) has left few remaining options. Broflanilide and plinazolin belong to a new insecticide mode of action group, the GABA-gated Cl-channel allosteric modulators (Group 30), and have shown promise in Canada against Agriotes spp. wireworms. To assess their potential against Melanotus spp. wireworms, which predominate across regions of the U.S., we conducted container bioassays and multiple field trials in Virginia utilizing broflanilide, plinazolin, and bifenthrin treatments. Soil drench bioassays resulted in ~40% mortality in the plinazolin and broflanilide treatments and 0% feeding injury to potato tubers compared with 100% of tubers damaged in the water control and bifenthrin treatment. Field experiments in potato and sweetpotato with in-furrow at-planting applications of broflanilide or plinazolin were inconclusive with regards to their efficacy at reducing wireworm damage. Field trials of wheat seed treatments found a significant difference in our broflanilide treatment in field 1. Field 2 showed no significance, likely due to low wireworm presence. Based on our findings, the use of Group 30 insecticide treatments may successfully reduce wireworm populations, economic losses, and prevent future crop damage.