The ornamental design for a insecthood for a horse, as shown and described.
FIG. 1 is a top, front, right perspective view of an insect hood for a horse, showing our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The drawings are shaded to indicate contrasting surfaces; the crosshatched surfaces depict an open-mesh textile.
In the drawings, the equal-length broken lines depict portions of the insect hood for a horse that form no part of the claimed design. The dash-dot-dash broken lines define the boundaries of the claim and form no part of the claimed design.