Japanese Beetle Trap with Accordion Jar

This is a Japanese beetle trap, designed to be reusable, without buying bug bags.  
It uses the wide mouth Mason jar thread for easy assembly and disassembly.
It is designed to use 8mm M2.5 screws with M2.5 hex nuts.
Slide a bait pack like this into the slots in the vanes of the top section:
https://www.amazon.com/Spectracide-HG-16905-Japanese-Beetle-Replacement/dp/B00002NC7W?th=1

https://www.lowes.com/pd/Spectracide-Bag-A-Bug-Beetle-Repellent/3047623

https://www.homedepot.com/p/Spectracide-Bag-A-Bug-Japanese-Beetle-Trap-Replacement-Lure-Refill-1-Count-HG-16905-9/100056149