| Pachypsylla | |
|---|---|
| |
| Hackberry nipplegall | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Hemiptera |
| Suborder: | Sternorrhyncha |
| Family: | Aphalaridae |
| Subfamily: | Pachypsyllinae |
| Genus: | Pachypsylla Riley, 1885 |
Pachypsylla is a genus of psyllids.[1] Species of the genus Pachypsylla lay eggs on the leaves of the Celtis occidentalis tree. Upon hatching, the young psyllids become encased in a gall which the young leaf parts grow in response to the infestation. [2]
- ^ "zipcodezoo.com page on Pacypsylla". BayScience Foundation, Inc.
- ^ "Hackberry Gall Psyllids". University of Nebraska-Lincoln Extension in Lancaster County.