image: This is an image of the wasp Diachasma alloeum standing on the surface of an apple. This image relates to an article that appeared in the Feb. 6, 2009, issue of the journal Science, published by AAAS. The study, by Dr. Andrew A. Forbes and colleagues, was titled "Sequential Sympatric Speciation Across Trophic Levels." view more
Credit: Image courtesy of <i>Science</i>/AAAS