Insecticide
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Insecticides are pesticides used to kill insects. They include ovicides and larvicides used against insect eggs and larvae, respectively. The major use of insecticides is in agriculture, but they are
FLIT manual spray pump from 1928
Farmer spraying a cashewnut tree in Tanzania
Condor landbouwspuit
Insect repellent
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An insect repellent is a substance applied to the skin, clothing, or other surfaces to discourage insects from landing or climbing on that surface. Insect repellents help prevent and control the outbr
Insecticide
…including common bug sprays) are effective against other non-insect arthropods as well, such as scorpions, spiders, etc. Insecticides are distinct from insect repellents, which repel but do not kill. In 2016 insecticides were estimated to account for 18% of worldwide pesticide sales. Worldwide sales of insecticides in…
A mosquito coil
A cowhorn container for mosquito-repelling pitch oil (a by-product of the distillation of wood tar) on display at the Nordiska museum, Stockholm.
A mosquito on a bottle of "natural" insect repellent
Insect repellent made with natural, plant-based active ingredients is less effective than conventional repellents