The ornamental design for an insecttraphousing, substantially as shown and described.
FIG. 1 is a front, right side isometric view of an insect trap housing according to the present invention;
FIG. 2 is a front elevation view of the insect trap housing of FIG. 1 with a light bulb installed within the housing;
FIG. 3 is a rear elevation view of the insect trap housing of FIG. 1 with a light bulb installed within the housing;
FIG. 4 is a left side elevation view of the insect trap housing of FIG. 1 with a light bulb installed within the housing;
FIG. 5 is a right side elevation view of the insect trap housing of FIG. 1 with a light bulb installed within the housing;
FIG. 6 is a top plan view of the insect trap housing of FIG. 1; and,
FIG. 7 is a bottom plan view of the insect trap housing of FIG. 1.
The broken lines are for illustrative purposes and represent environmental structure and unclaimed portions of the invention and therefore form no part of the claimed design.