Weevil Evil: Betraying Symbiotic Partners Once They Aren't Needed

Weevils are pests that have a destructive appetite for grain crops, namely rice, wheat, and maize - crops that can be found at all major corners of the world. However, tearing through food supplies alone is not what makes them seem evil. It's how they "thank" their allies that makes you think, "that's one nasty bug."