The coffee graden is also the site of experimental insect controls for the dreaded coffee broca, a berry-boring insect with a voracious appetite that causes much concern in El Salvador and other Central American Growing regions

Broca traps, not humming bird feeders. Broca traps can be made easily out of 2 liter Coke bottles too, and they are filled with a potent alcohol solution as well as a pheremone. The traps are very effective and prevent the trees from being directly treated with any chemicals.