Abstract: An extended-release plastic matrix formulation (PMF-ExR) comprising a polyethylene-comprising polymer, a plasticizer, and at least one insecticide as active components is described. The PMF-ExR may be used in the manufacture of a wearable device for treating ectoparasitic infestations.

Abstract: There is provided in accordance with an embodiment of the disclosure a spray-on composition for the treatment and prevention of insect or arachnid infestation on a mammal comprising between 0.1% and 1.0% by weight dinotefuran. There is also provided in accordance with an embodiment of the disclosure a method for treatment of an animal at risk of insect or arachnid infestation comprising topically administering to the coat of the animal a composition comprising between 1 and 50 mg dinotefuran per kilogram of animal weight. Optionally, topically administering includes spraying on a majority of the area of the coat of the animal.

Abstract: Embodiments of the invention relate to compositions for topical administration to dogs and cats comprising the active components dinotefuran and flumethrin, and methods for the treatment and prevention of flea and tick infestation comprising topical administration of such compositions.