After Butt-Head gets the wasp's nest into a cardboard box, the box is then seen with a "four corner fold" closure. This method of folding a box closed requires a good deal more time and effort than Butt-Head is seen exhibiting.
Van Driessen is shown selling honey at the start of the episode, but he is cooking vegan food at the end of the episode. Vegans do not believe in making or consuming honey.