Elector PSP Insect Control Agent. Controls houseflies, darkling beetles, and northern fowl mites. Elector PSP provides effective control of houseflies, darkling beetles, and northern fowl mites in and around livestock facilities. Elector® PSP is indicated for:Control of hide beetles, darkling beetles, stable flies, and housefliesControl of northern fowl mites infesting poultryUse in swine, poultry, dairy …