5785-17 Chlor-O-Pic 5785-58 Chloropicrin Pests Controlled As listed by the Chlor-o-pic specimen label, the following is a partial list of pests controlled by Chlor-O-Pic. Insect control includes mites, cockroaches, silverfish, fungi, fleas, rats, mouse, rice weevil, confused flour beetle, cadelle, lesser grain borer, saw-toothed grain beetle, flour moth and grain moth. Soilborne diseases controlled include Verticillium, Fusarium, Rhizoctonia and Pythium. Chlor-O-Pic also controls wireworms, nematodes, and weed and grass seeds.