An insect entrapment apparatus is disclosed herein. In various aspects, the insect entrapment apparatus includes a bag formed of a mesh material having a mesh sized to pass airflow from an interior of the bag through the mesh while entrapping insects entrained within the airflow within the interior of the bag. The bag forms an enclosed interior with an entry to admit airflow into the interior of the bag, in various aspects. The bag, in various aspects, includes an elastic material disposed about the entry of the bag to grippably compressionably secure the entry to a housing of a fan assembly with the interior of the bag in fluid communication with the fan assembly. This Abstract is presented to meet requirements of 37 C.F.R. §1.72(b) only. This Abstract is not intended to identify key elements of the methods of use and related apparatus disclosed herein or to delineate the scope thereof.