The predatory stink bug is considered a beneficial insect because most of its prey consists of plant-damaging bugs, beetles, and caterpillars. It seldom plays more than a minor role in the natural control of insects in Florida, but its prey includes a number of economically important species. Learn more in this 5-page fact sheet written by Frank W. Mead and David B. Richman, and published by the UF Department of Entomology and Nematology, November 2011.
http://edis.ifas.ufl.edu/in314