An official website of the United States government
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.
| d4204-1 |
|
Image Number d4204-1 |
ARS entomologist, David Oi examines phorid fly traps in California to document establishment and spread of the flies.
Photo by Sanford Porter.
Please visit our Image Gallery.
