Tag: ant

Selecting the strategy

Scientists hypothesize that S. invicta populations in the U.S. evolved these different strategies as they invaded. The first colonizers of the U.S. found virgin territory to conquer — plenty of empty nest sites — and correspondingly, the single-queen colony form was selected for. As those colonies reproduced, they filled more and more of the […]

Understanding the strategies

To understand how ant queens might fare in this evolutionary game, imagine two S. invicta queens ready to leave their home nests. One queen — let’s call her Mono — carries a gene that causes her to leave her home nest and start a colony by herself. So Mono always has a […]