Some female stick insects just don’t need males around, ever. They clone themselves, alter their pheromones to stay inconspicuous to unwanted suitors, and when males try to copulate with them, they ...

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Male (top) and female (bottom) Lord Howe Island stick insects from the captive-bred Ball's Pyramid population, also known as "tree lobsters," on a leaf at the Melbourne Zoo. Lord Howe Island Stick ...

A female stick insect resting upon the leaves of one of its host plants. This image relates to a paper that appeared in the May 16, 2014, issue of Science, published by AAAS. The paper, by Víctor ...