An insect-discouraging device (30) for installation at various sites in a sink system to periodically release an insect-discouraging material (31) without human participation. The insect-discouraging material (31) may comprise formulated chemicals, biological pesticides, viral agents, and/or micro-organisms. Such insect-discouragers are usually available in a variety of forms (e.g., powder, granules, liquid, etc.) whereby a format can be chosen that is compatible with the selected device design and the intended venue.
