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When invasive ants meet: effects of outbreeding on queen performance in the tramp ant Cardiocondyla itsukii

Heinze, Jürgen ; Frohschammer, Sabine ; Bernadou, Abel


Most disturbed habitats in the tropics and subtropics harbor numerous species of invasive ants, and occasionally the same species has been introduced repeatedly from multiple geographical sources. We examined how experimental crossbreeding between sexuals from different populations affects the fitness of queens of the tramp ant Cardiocondyla itsukii, which is widely distributed in Asia and the ...


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