Pest Control Glossary

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R

Repellant: the chemical used to repel insects, ticks, mites
or vertebrate pests

Residual Insecticide: a film-like layer, somewhat
crystalline, forms on surfaces where insects are expected to congregate or
reside. Factors which determine the effectiveness of a Residual Insecticide vary between the surface applied to, external
weather conditions, humidity and the strength of the Active Ingredient

Resurgence: Pest
Control
, referencing a return of a pest presence which has been previously
treated. Such as the resurgence of a cockroach infestation weeks after
treatment has been conducted

Resistance: a tolerance for insecticide which is developed
by insects through the process of repetitive treatment with similar
insecticides/chemicals which might result in a “resistant” strain of insects being produced