Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
New species of Psylla from the western United States and biological notes
By Jensen, D.D.
Canadian Entomologist 88: 101-109, 1956
Cite: 1364150 with citation markup [cite:1364150]
Original descriptions for four species: Cacopsylla notapennis, C. pararibesiae, C. acuminata, & C. nigranervosa, plus a redescription of C. ribesiae