Abstract: A self retaining nut which has an aperture with internal threads positioned within the aperture, and a longitudinal slot intersect at least some of the internal threads. A bowed spring is positioned within the slot and is compressed as the nut is placed on a bolt to retain the nut on a bolt.

Abstract: A reusable and refillable insect bait container having insect base passageways to its interior bait reservoir, a removable top cap, and a lower ground engaging support stake member. The ground engaging stake member has upper protrusions that engage base notches to hold these two components together. The cap has a lower mating indent which engages a protruding member on the base to hold these components together in a snap fit relationship. When access to the base's reservoir is desired, the removable cap is pulled off by a tab and the bait needed inserted. Both the base and cap should be made of a flexible weather resistant material, such as rubber or soft plastic, to permit the firmer stake material and its protrusions to easily be inserted in a locking manner into the base.