The Coffee bean weevil is a very common stored product pest. As their name implies, it is a coffee pest. Coffee bean weevils can reduce a coffee’s weight by up to one-third within six months. An insect attack can also compromise the physical qualities of the coffee, resulting in a greater number of defects, and can even alter the finished beverage.
Adults: 1.5-4mm in length. It is a dark brown beetle with light brown spots and long antennae. The footless, slim larvae are curved and hairy and grow to a length of 5-6mm.
The beetle flies to fields and lays its eggs on damaged cobs. The larvae bore into coffee beans in which they pupate.
They mainly infest corn, cocoa, coffee beans, dried fruits, nutmegs, ginger etc.