Black swallowtail adults are sexually dimorphic, meaning that they have different color patterns--their ventral wing surfaces and their bodies are the same but their dorsal patterns differ. Thorax and ...

Monarch butterflies (Danaus plexippus) are perhaps one of the most well-known insects in North America. They are easily recognizable by their bright orange wings with black veins and their jet-black ...

This is a black swallowtail because it has two rows of yellow spots extending all the way out to the leading edge (the costal margin) of the wings. This is a male of the species because the yellow ...

How two butterfly species have evolved exactly the same striking wing color and pattern has intrigued biologists since Darwin's day. Now, scientists have found "hot spots" in the butterflies ...

According to the University of Florida's entomology department, the butterfly has two rows of pale yellow spots on its front wings, and hind wings have rows of bright orange spots separated by ...

Think of a monarch butterfly, and a distinctive image pops up: black-and-orange wings, with a sprinkling of white spots around the black edges. Those white spots may actually help monarchs ...