300 dpi: (d2021-1.jpg)
640 pixels wide: (d2021-1.jpg)
 Image Number D2021-1 |
Entomologist Sanford Porter prepares to release several hundred fire ant workers parasitized by a new phorid fly species (Pseudacteon cultellatus) that prefers to attack the smallest fire ant workers.
Photo by Peggy Greb.
