Causes insect to become paralyzed and then die

Approved by EPA, but linked to poisoning, kidney failure, brain damage, and death

Bad for the Environment - must be careful howyou dispose of application, as it is toxic to beneficial insects and fish

Natural pyrethrods include Pyrethin, Allethrin, and Resmethrin.  These are made from pyrethrum, the olesoresin extract of dried chrysanthemum flowers

Synthetics include Cypermethrin, Permethrin, and Phenothrien.  These are synthesized derivatives.

They inhibit function in nerve cells.

Acute toxicity poses risk to peopleexposed to large amounts

Most common cause of poisoning (in people) worldwide.

Chronic effects have been noted, in particular affecting neurotransmitters.

Products containing this chemical usually come with very strong warning statements because of the high risk.

Kill adult fleas by acting on the central nervous system of insects (lower toxicity to mammels).

Blocksa neral pathway that is more abundant in insects than animals

Among the mostwidely used insecticides world wide

It is used in conjunction with an insecticide and prevents the immune sstem of the insect from removing the toxin from the body

The combination of the two chemicals is lethal to the insect

Vegetable oil pressed from the fruits and seeds of an Indian evergreen tree

Biopesticide, similar to citronella, it does not kill but repels

3-4 times more expensive than citronella oil but no studies to prove that it is any more effective

Plant based insect repellent, comes from the leaves and stems of Cymbopagan

In a 60-year period, the EPA hashad no reports of adverse effects of citronella as a topical insect repellent

It is non-toxic; so, while it does not kill insects,it repels them from causing irritation in the first place.  It also has very strong anti-fungal properties.