Spectracide Triazicide Insect Killer 40oz
$11.99
Spectracide Triazicide Insect Killer for Lawns and Landscapes Concentrate, which kills black widow spiders, is formulated using gamma-cyhalothrin (GCH), a contact insecticide. This chemical is one of many synthetic pyrethroids that are formulated to mimic the botanical pyrethrum insecticides derived from chrysanthemums.