Contact: Mari N. Jensen
mnjensen@email.arizona.edu
520-626-9635
University of Arizona

Pachypsylla venusta, the Hackberry Petiole Gall Psyllid

Caption: Hackberry petiole gall psyllid just after emerging from the gall on a hackberry. The leaf is yellow because it is autumn. The insect is only 3 to 4 millimeters long. The insect's only endosymbiotic bacteria, Carsonella ruddii, has the smallest cellular genome known.

Credit: Nancy Moran, The University of Arizona.

Usage Restrictions: Photo must be used only in connection with a story about the research described in this release. Photo credit must be given as: Nancy Moran, The University of Arizona.

Related news release: UA researchers find smallest cellular genome