Insecticidal apparatus and methods are provided for controlling or managing insect pests and ectoparasites. An apparatus for administering an insecticidal compound to a subject can include a material for absorbing an insecticidal compound and an insecticidal compound. An insecticidal apparatus can include an attachment element for attaching the apparatus to a desired location. Insect pests or ectoparasites can be controlled or managed on subjects or animals coming into contact with or in proximity to an insecticidal apparatus as disclosed herein.