Insects of the order Lepidoptera that have four wings with overlapping, often highly colored scales. They undergo four life cycle stages: eggs, caterpillar larvae, pupae, and the winged adults.
Biomonitoring projects studying the status and trends of the nation's environmental resources and programs studying amphibians and birds. Links to long-term programs, resources and references, and related links.
U.S. Department of the Interior |
U.S. Geological Survey