Beardsley Jr., J.W., Davidson, J.A., Howell, J.O., Kosztarab, M.P., Miller, D.R., Nakahara, S., & Stoetzel, M.B. 1976 Syllabus for workshop on scale insect identification.. Boletin del Museo de Entomologia de la Universidad del Valle 115

Notes: Xeroxed.