Splendid isolation

日期:2019-03-07 01:14:05 作者:邹阃粹 阅读:

A TREE-DWELLING African ant prunes the branches of its host tree to prevent its tougher neighbours from invading. Crematogaster nigriceps is one of four species of ant that make their homes in the whistling thorn tree (Acacia drepanolobium) in East Africa. But competition for trees is fierce and C. nigriceps is a poor fighter. Maureen Stanton of the University of California at Davis and her colleagues found that the ants prune the branches and leaves of its host tree to prevent them from providing bridges to neighbouring trees that harbour potential invaders (Nature, vol 401,