TY - BOOK AU - Smith,H.D. AU - Maltby,Harry L. AU - TI - Biological control of the citrus blackfly in Mexico T2 - Technical bulletin / United States Department of Agriculture AV - S21 .A72 no. 1311 PY - 1964/// CY - Washington PB - U.S. Dept. of Agriculture KW - Citrus black fly KW - Biological control KW - Mexico KW - Insect pests N1 - Cover title; Bibliography: p. 29-30 ER -