Anderson, Carl; Cremer, Sylvia; Ju¨rgen Heinze - In: Behavioral Ecology 14 (2003) 1, pp. 54-62
Unlike most social insects, many Cardiocondyla ant species have two male morphs: wingless (ergatoid) males, who remain … ergatoid males are highly intolerant of each other and fight among themselves, they tend to tolerate their winged counterparts …. This is despite the fact that these winged males, like ergatoid males, represent mating competition. Why should ergatoid …