Project worker placing cones containing trichogramma wasp in cotton field. The wasps are released into the air and neutralize the cotton bollworm which is the greates danger to Nicaragua. - - Integrated Pest Management Project. In the early 1980's, the United Nations Food and Agriculture Organization (FAO), in
cooperation with the Nicaraguan Ministry of Agriculture and the University of Leon,
financed a project to develop an integrated pest management programme in the cotto