As humans drop off to sleep, the invisible world of moths comes to life. Across the planet, billions of the insects take flight on their nocturnal errands. Few places host more species than California ...

This book illustrates in full color 423 of the most common, wide-spread, important, or unusual North American species of Lepidoptera. Sign up for Smithsonian e-news arrow-right ...

Nocturnal insects may use both the Earth’s magnetic field and visual cues to guide their migratory flight behaviours, according to recent findings. The research, published in eLife as a Reviewed ...

The Virginia Department of Agriculture and Consumer Services (VDACS) has announced the first detection of an invasive insect pest, the box tree moth (Cydalima perspectalis), in the Commonwealth.