Outdoor insect repellant system

An outdoor repellant system for providing an insect controlled region at an installation site, the outdoor repellant system comprising:

• at least one repellant device that includes a fixture, a support member and a stake configured to be inserted into a support surface at the installation site, wherein each fixture comprises:
• a fixture head with at least one outlet opening through which a volatized repellant is discharged, the fixture head having at least one internal latch receptacle;
• a fixture base with at least one inlet opening through which inlet air is drawn, the fixture base having at least one internal latch that mates with the latch receptacle of the fixture head to releasably secure the fixture base to the fixture head in a connected use position;
• and,
• a repellant reservoir removably secured within the fixture by a volatilizing unit that provides for volatilization of repellant supplied from the reservoir.