A replacement device for a light bulb includes a translucent shell and a base. The base is configured to be received in a conventional light socket. The base also includes a compartment, slot or recess for receiving and securing a replaceable volatile active insert for enabling the device to emit an insect control material when the insert is secured in the compartment Combinations of one or more of a coiled fluorescent light, a plurality of colored LEDs, and an incandescent light source may also provided in the shell as a source of illumination. Thus, a single device is used as a replacement for a conventional light bulb that provides insect control in the form of a cartridge, bottle, mat, tube, sheet, patch etc.