Pirimicarb is a selective carbamate insecticide used to control aphids on vegetable, cereal and orchard crops by inhibiting acetylcholinesterase activity[1] but does not affect useful predators such as ladybirds that eat them.

[2] It was originally developed by Imperial Chemical Industries Ltd., now Syngenta, at their Jealott's Hill site and first marketed in 1969, four years after its discovery.

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