01096cam a2200289 4500 agr68000119 DLC 20260227111029.0 690506s1968 dcua b 000 0 eng c agr68000119 U.S. Nat'l Agr. Libr. DLC DLC S21 .A72 no. 1387 1 Ag84Te no. 1387 632/.96 Knipling, E. F. Population models to appraise the limitations and potentialities of Trichogramma in managing host insect populations [by E. F. Knipling and J. U. McGuire, Jr. Washington] Agricultural Research Service [1968] iii, 44 p. illus. 24 cm. United States. Dept. of Agriculture. Technical bulletin ; 1387 Bibliographical footnotes. Insect pests Biological control. Trichogramma. Insects Parasites. Entomophagons insects. McGuire, Judson Ulery, 1917- joint author. Technical bulletin (United States. Department of Agriculture) ; no. 1387. 12426 12426