I started a mealworm farm for the chickens a couple months ago. I'm using the three drawer method in a plastic tupperware type drawer unit. The bottom of the beetle drawer is in tact, i am not using the self sorthing method that requires the bottom of the drawer be removed and replaced with screening. I'm on the first generation of beetles. The problem is they keep escaping. Everything I've read says they can't fly or climb plastic but i keep finding them on the floor around the bin. At first it was just one every other week or so and i thought maybe i had missed one stuck to a potato when i changed it out but now its happening a couple times a week and i just found three in my hallway. Has anyone else had this happen or know how to prevent it? I was really excited to have an unlimited supply of mealies for the girls, but Im ready to chuck the whole thing. These things are really sceeving me out and Im not going to risk getting an infestation. Any suggestions are appeciated.