Unlike their relatives with larger wings and darker colors, lighter, smaller butterflies have trouble regulating body temperatures when the air temperature increases, a new study found.

You can also make your feeders more attractive by turning them into a fruit plate for visiting butterflies. Add pieces of ...

First, they measured the proportions of colors on 400 pairs of wings from preserved milkweed butterflies, including Eastern monarchs at different stages of their life cycle.

Between mir-193 and mir-2788, Tian found that homozygous mir-193 butterflies exhibited lighter wing colors, indicating that mir-193 is the key dark color regulator across these Lepidoptera. “I still ...

“Color in Motion” seems an appropriate name for the live butterfly exhibit that opened this week at Foellinger-Freimann Botanical Conservatory. In a 30-by-30-foot tent in the conservatory’s ...