Fight, Flee or Freeze? This Tiny Caterpillar Does a Secret Fourth Thing Baby warty birch caterpillars vibrate when threatened ...

Spotting a caterpillar in your garden sometimes is not a healthy sign. Some caterpillars are serious plant pests – one of the ...

Have you ever seen a swallowtail butterfly? Swallowtail butterflies get their name from their long tail. It extends from ...

In the light of the moon glimmering over just six square miles of a mountain range on O‘ahu, a little egg waited to hatch.

The yellow-striped armyworm usually arrives “during the onset of cool fall weather,” and can remain into spring. Gilrein has ...

Another unusual trait is the caterpillar's exclusive choice of insect parts or spider exoskeletons for their casing, rather than natural materials like bark or leaves, when tested in a lab.

ROB PEREZ enters a patch of milkweed and finds CARTER THE CATERPILLAR on a half-eaten leaf. Carter is a medium-sized monarch ...

The female lays her eggs in clusters on birch leaves, but the emerging caterpillars scatter as quickly as possible to avoid being more than one per leaf. More precisely, they settle on the tip of ...