Akito Kawahara remembers being eight years old when he went on a special tour of the insect collection at the American Museum of Natural History in New York City. He marveled at the vast array of ...

QUESTION: Are ancient lacewings, which lived during the Cretaceous period, related to the butterfly? No. Ancient lacewings found in fossils from northern China are known as kalligrammatid lacewings ...

Scientists have discovered similarities between butterflies of today and a butterfly-like insect that has been extinct for more than 120 million years. Kalligrammitid lacewings existed millions of ...

Some creatures can't pick sides, like this half-male, half-female leopard lacewing butterfly. Dual-sex animals like this one, called gynandromorphs, are also found in birds and crustaceans. This ...