TY - BOOK AU - Alzate Corpus-Raros, Leonila. AU - Cook, Edwin F. TI - A revision of north American Capitophorus Van der Goot and Pleotrichophorus Borner (Homoptera: Aphididae) T2 - Smithsonian contributions to zoology U1 - 595.752 PY - 1974/// CY - Washington PB - Smithsonian Institution KW - Capitophorus KW - Pleotrichophorus ER -