What do the crystal structure of strontium disilicide, liquid crystals used for electro-optics and the wings of the Green Hairstreak butterfly have in common? All can be mathematically described ...

About an inch long, the Bartram's scrub-hairstreak butterfly is gray ... easily identifiable by the splashes of rust and the white and black lines on its wings. Though this butterfly never strays far ...

The Thorne's hairstreak butterfly has been recognized as unique and imperiled since it was first described as a species in 1983. And with the designation of federal wilderness over its entire range, ...

A new butterfly ... and wings that are brown on top and greyish brown with black spots below, this population was long thought to belong to the Half-moon Hairstreak (Satyrium semiluna).