A holder including first, second, third, and fourth sides, a top, and a bottom. The first side is fixed to the second side; the second side is fixed to the third side; the third side is fixed to the fourth side, which is fixed to the first side; the first and third sides are parallel and spaced apart; the second and fourth sides are parallel and spaced apart, and perpendicular to the first and third sides; and the top and the bottom are parallel and spaced apart and perpendicular to and fixed to the first, second, third, and fourth sides. Each of the first, second, and third sides has an opening leading to an inner chamber which is delimited by the first, second, third, and fourth sides, and the top and bottom; the fourth side has an opening leading to the inner chamber for insertion of an insect trap and/or bait station.
