“…They damage citrus trees (Banks et al, 1991), soybeans (Adams et al, 1983;Banks et al, 1990), potatoes (Adams et al, 1988), corn (Drees et al, 1991), and other crops (Adams, 1986;Drees, 1988). They are a major medical concern to approximately half a million people who are severely allergic to even a single fire ant sting (ϳ1% of the population; Adams and Lofgren, 1981;Stafford et al, 1989;Baluga et al, 1996) and to many more young children who are repeatedly stung by hundreds of fire ants when they accidently step onto the mounds. Fire ants are also a major nuisance to millions of additional people who are stung while gardening, hiking, working, golfing, or simply standing outside.…”