Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Aleurocanthus spiniferus on Ailanthus altissima leaves in Bari, Apulia region, Italy. Puparia on the underside of the leaves (on the left). Close-up of puparia taken by a photo camera (top right) and a scanning electron microscope (bottom right).
