Most stick insect species blend into their surroundings to avoid predators. But the males of two newly described species from madagascar, Achrioptera manga and Achrioptera maroloko, are brightly ...

Understanding the material basis of adaptive evolution has been a central goal in biology dating back to at least the time of Darwin. One focus of current debates is whether adaptive evolution relies ...

Feb. 17 (UPI) --What makes a new species unique? When does a subspecies become a species? Recently, researchers at Utah State University sequenced the genomes of more than 1,000 stick insects in an ...

Known for exceptional mimicry, stick insects have evolved a range of egg-laying techniques to maximize egg survival while maintaining their disguise – including dropping eggs to the ground, skewering ...