[Article] Riley, C. V. 1879. Notes on the Aphididae of the United States, with descriptions of species occurring west of the Mississippi. Part 1. Biological notes on the Pemphiginae, with descriptions of new species. Bull. U.S. Geol. Survey Territ. 5 (1): 1-17.
Greeley, Weld, Colorado, United States
16 Jul 1877
Animalia Arthropoda Insecta Hemiptera Aphididae Eriosomatinae