insecticide
noun
in·sec·ti·cide
| \ in-ˈsek-tə-ˌsīd
\
\
plural insecticides
Definition of insecticide
: an agent that destroys one or more species of insects
broadly
: an agent that destroys insects as well as other small pests (such as mites or nematodes)
Aphids, mealybugs, and cyclamen mites are all common problems and can be controlled with any low-toxicity insecticide sold specifically for houseplants. — Horticulture