Abstract: A trap for catching flies having a cylindrical glass outer shell with a closed top and an open bottom is disclosed. An opaque truncated cone having a thin shell and an open top is disposed within the cylindrical outer shell. The space between the outer shell and the truncated cone is filled with water to trap and drown the flies that enter the trap. A piece of bait is suspended on a wire near the upper opening of the cone to attract insects into the trap. The glass outer shell of the fly catcher provides an abundance of light to attract the insects into the cone and through the upper opening of the cone and trap them. A loop attached to the closed top is provided to hang the fly catcher from an overhead support. The fly catcher can be readily disassembled to be cleaned and to remove trapped insects.