Traps which captured click beetles as they emerged from the sod showedMelanotus decumanus(Erichson) to be the predominant species (162,080/ha in 1974) in the Appalachian Mountains, whileConoderus lividus(DeGeer) predominated (109,000/ha in 1975) in the Piedmont Plateau.Melanotus verberans(LeConte) andLimonius griseus(Beauvois) were also consistently captured. Wireworm feeding damage in grasslands could not be detected, but many wireworm species were economic pests of several agronomic crops.