This is the time of migration triggered by later sunrises and earlier sunsets, mostly seen with birds now, especially hawks, kestrels and bald eagles at Hawk Ridge. Other raptors — geese, blackbirds, ...

In herbivorous insects, changes in host plant preference for oviposition sites, feeding and mating are relevant to a wide range of evolutionary questions such as ecological specialization, host range ...

Understanding the evolution of insect mating behavior is essential for explaining how early insects adapted to life on land.

Fig wasps use a unique tool to find the best place to lay eggs - a tube, called an ovipositor, hardened with zinc. Biologists are amazed at the discovery. Female insects spend a lot of time and effort ...

Appearance: Slender body is brownish-red with bold yellow and orange markings. Long antennae. Females are 2 inches long, with a 3-4 inch-long ovipositor used to drill deeply into wood and lay eggs.

A 115-million-year-old fossilized wasp from northeast Brazil presents a baffling puzzle to researchers. The wasp's ovipositor, the organ through which it lays its eggs, looks a lot like those of ...

Adults and larvae of the beetle Plagiodera versicolora preferred to feed on and consumed more of cottonwood, Populus deltoides, plant material that had been previously exposed to an acute dose of ...