<p>This invention relates to fly traps and specifically a window mounted fly trap which allows flies to enter from below or above and which has an internal barrier to prevent passage upward or downward through the trap. A window mounted fly trap comprising: (a) a frame for mounting to a window surface by detachable window mounting means; (b) a resilient cover having a non-adhesive first surface facing to the exterior of the frame and an adhesive second fly capture surface within the interior of the frame; said frame and cover defining therein a fly capture chamber; (c) the capture chamber having at least one ingress slot for permitting flies to enter the chamber; (d) wherein the flies walking on the surface of said window are permitted to enter the capture chamber and whereby the flies, when attempting to fly, contact the fly capture adhesive and are captured by said capture surface.</p>
