Crawling insect pitfall trap and methods of using

A crawling insect pitfall trap comprising:

• a plurality of walls connected to each other, the plurality of walls each extending from a base to a top edge to together define an opening to a pitfall cavity, one or more of the plurality of walls sloped towards the opening, and the plurality of walls each including an outer surface that is smooth, the sloped and smooth surfaces configured to deter climbing by a crawling insect;
• and
• a fibrous or textured portion of an outer surface of one or more of the plurality of walls, the fibrous or textured portion extending from the base to the top edge of respective ones of the one or more of the plurality of walls, and the fibrous or textured portion including a fibrous outer surface.

A crawling insect pitfall trap comprising:

• a plurality of walls connected to each other, the plurality of walls each extending from a base to a top edge to together define an opening to a pitfall cavity, one or more of the plurality of walls sloped towards the opening, and the plurality of walls each including an outer surface;
• and
• a fibrous or textured portion of an outer surface of one or more of the plurality of walls, the fibrous or textured portion extending from the base to the top edge of respective ones of the one or more of the plurality of walls, and the fibrous or textured portion including a fibrous outer surface, wherein the fibrous or textured portion defines a wall portion width that decreases as the fibrous or textured portion extend from a first base to a first top edge of a first outer surface of a first wall of the plurality of walls.