Pesticides Flashcards
Chlorinated organic
Chlorine atoms attached to organic moieties
DDT, toxaphene
Persistent, accumulate in lipid tissue, highly toxic to fish and birds
Organophosphates
One or more phosphate groups attached to an organic moiety
Not associated with bio magnification & food chain transfer
Toxic to nearly all animals
Toxic to bees
Parathion, malathion
Carbamates
Derivatives of carbamic acid (NH2CO2H)
Aldicarb, carbofuran
Biodegradable and non persistant
Highly toxic to birds and bees but not fish
Pyrethroids
Derived from chrysanthemums
Allethrin and dimethrin
Need less to control pests
Less toxic to animals, but highly toxic to beneficial insects and fish
Which type of pesticide is responsible for most human poisonings?
Organophosphates
How can pheromones be used to control pests?
Attract them to traps, confuse their mating