Which means if you poke the trap to really make it snap shut, it's going to reopen when it senses there isn’t a bug within. Intelligent, right? Mild traps: Lured in by a UV gentle, flies are captured inside the trap by a glue board or small vacuum fan. Also, https://flytrapgumbo18407.blogsidea.com/37735104/flytrap-gumbo-an-overview