Services and disservices of ant communities in tropical cacao and coffee agroforestry systems
Tropical tree crops such as cacao and coffee are produced around the tropics in diverse, multistrata agroforests as well as monoculture plantations Box 16.1 and references therein). The smallholders cultivating these systems battle pests and diseases that differ regionally and change over time, but often take a significant part of their yield, and therefore their revenue. In these perennial system