Smith, Clyde F. An annotated list of Aphididae (Homoptera) of North America - Raleigh : North Carolina Agricultural. Experiment Station, 1978 - 428 p. - Technical bulletin ; 255 . - Technical bulletin ; 255 . LCCN: 58014 Subjects--Topical Terms: AfĂdidos. Dewey Class. No.: 595.752 / S5