Pest Types

Pesticides that are related because they address the same type of pests include:

Algicides                                 Control algae in lakes, canals, swimming pools, water tanks, and other sites.

Antifouling agents                 Kill or repel organisms that attach to underwater surfaces, such as boat bottoms.

Antimicrobials                       Kill microorganisms (such as bacteria and viruses).

Attractants                             Attract pests (for example, to lure an insect or rodent to a trap). (However, food is not considered a pesticide when used as an attractant.)

Biopesticides                          Biopesticides are certain types of pesticides derived from such natural materials

                                                as animals, plants, bacteria, and certain minerals.

Biocides                                  Kill microorganisms.

Disinfectants and sanitizers  Kill or inactivate disease-producing microorganisms on inanimate objects.

Fungicides                              Kill fungi (including blights, mildews, molds, and rusts).

Fumigants                               Produce gas or vapor intended to destroy pests in buildings or soil.

Herbicides                              Kill weeds and other plants that grow where they are not wanted.

Insecticides                             Kill insects and other arthropods.

Miticides                                 (also called acaricides)  Kill mites that feed on plants and animals.

Microbial pesticides              Microorganisms that kill, inhibit, or out compete pests, including insects or other


Molluscicides                         Kill snails and slugs.

Nematicides                           Kill nematodes (microscopic, worm-like organisms that feed on plant roots).

Ovicides                                  Kill eggs of insects and mites.

Pheromones                           Biochemicals used to disrupt the mating behavior of insects.

Repellents                              Repel pests, including insects (such as mosquitoes) and birds.

Rodenticides                          Control mice and other rodents.

The term pesticide also includes these substances:

Defoliants                               Cause leaves or other foliage to drop from a plant, usually to facilitate harvest.

Desiccants                              Promote drying of living tissues, such as unwanted plant tops.

Insect growth regulators      Disrupt the molting, maturity from pupal stage to adult, or other life processes of insects.

Plant growth regulators       Substances (excluding fertilizers or other plant nutrients) that alter the expected

                                                growth, flowering, or reproduction rate of plants.



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