The insecticide which is used in mosquito mats is

The insecticide which is used in mosquito mats is Allethrin.
Allethrin is pyrethroids used almost exclusively to control flying and crawling insects in homes and industrial locations. Used extensively in pet animal shampoos, to treat lice in humans and home and industrial sprays for flying insects, mosquitos, etc.
These insecticides have been shown to pose very low health risks to humans and other mammals, but are toxic to insects and kill them.