An annotated checklist of the psyllids of California (Hemiptera: Psylloidea) Percy, Diana M. Rung, Alessandra Hoddle, Mark S. Zootaxa 2012 3193 1 27 P6JW Jensen, 1951 Jensen 1951 [151,472,243,268] Insecta Psyllidae Cacopsylla Animalia Hemiptera 11 12 Arthropoda species yosemitensis    Typelocality: USA, California.  Additional distribution: USA, Nevada. Host plant: Unknown, possibly  Salix.    CalindaBlanchard  collaris(Crawford, 1910)   Typelocality: USA, California.  Additional distribution: USA, Arizona, Texas; Mexico. Host plant:  Baccharis salicifolia, B. pilularis( CSCA),  B. douglasii( CSCA).