An annotated checklist of the psyllids of California (Hemiptera: Psylloidea) Author Percy, Diana M. Author Rung, Alessandra Author Hoddle, Mark S. text Zootaxa 2012 3193 1 27 journal article 45437 10.5281/zenodo.280093 561b604f-8a0a-4747-8473-985e3791e07f 1175-5326 280093 varians (Crawford, 1910) Type locality : USA , Colorado. Additional distribution : USA , California, Utah; Canada , Alberta, British Columbia . Host plant : Salix spp., including probably Salix exigua .