A group of biologists has studied Nasonia parasitic wasps, which are about the size of a sesame seed, and they serve as one of the best models to dissect and characterize the evolution of insect ...

While most animals reproduce sexually, some species rely solely on females for parthenogenetic reproduction. Even in these species, rare males occasionally appear. Whether these males retain ...

Grape phylloxera -- the insect that nearly wiped out wine production at the end of the 19th century in France -- hijacks a grape vine's reproductive programs to create a leaf gall, which it uses as a ...

Osaka, Japan – As the days grow shorter, many animals prepare for the approaching winter by suspending reproduction. Insects, for example, accumulate energy stores while halting ovarian development ...