“THE ROLE OF CHEMICAL CONTROL IN AN INTEGRATED PEST MANAGEMENT OF THE NEOTROPICAL WALNUT SHOOTBORER, GRETCHENA GARAI (LEPIDOPTERA: TORTRICIDAE) IN ECUADOR” (1991) JOURNAL OF TROPICAL FOREST SCIENCE, 4(2), pp. 147–150. Available at: https://jtfs.frim.gov.my/jtfs/article/view/1987 (Accessed: 12 October 2025).