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This thesis provides a list of natural enemy species for agricultural insect pests in Dong Thap Province. Data about morphological, biological, behavioral and ecological characteristics of A. calandrae parazitizing L. serricorne is also obtained. Besides, the ability to control S. zeamais and L. serricorne was shown in this study. | MINISTRY OF EDUCATION VIETNAM ACADEMY AND TRAINING OF SCIENCE AND TECHNOLOGY GRADUATE UNIVERSITY OF SCIENCE AND TECHNOLOGY ----------------------------- NGUYEN THI OANH INVESTIGATION OF BIOLOGICAL ECOLOGICAL CHARACTERISTICS OF Anisopteromalus calandrae Howard PARASITIZING STORED PRODUCT BEETLE PESTS IN DONG THAP PROVINCE Major Entomology Code 9 42 01 06 SUMMARY OF THE DOCTORAL THESIS IN BIOLOGY HA NOI 2020 This work was completed at Graduate University of Science and Technology - Vietnam Academy of Science and Technology Academic Title Name of Supervisors 1. Assoc. Prof. Dr. Tran Ngoc Lan 2. Prof. Dr. Truong Xuan Lam Referee 1 . . Referee 2 . Referee 3 . The Dissertation will be defended before the Doctoral Examination Board of Graduate University of Science and Technology - Vietnam Academy of Science and Technology at. Date . . . 2020. The Dissertation can be accessed from - The library of Graduate University of Science and Technology - The National Library of Viet Nam 1 GENERAL INFORMATION 1. The importance for doing the thesis Post - harvest losses of agricultural products are always a concern in agricultural countries especially in tropical areas. The main reason causing the demage is due to insect pests. Every year the global crop loss is about 5 - 10 Hodges et al. 2014 . Viet Nam is one of the countries which has the highest loss of agricultural post - harvest products in Asia with from 11 to 13 rice and from 13 to 15 maize lost Ministry of Agriculture and Rural Development 2009 . According to the Organization of the Component of Post - harvest Processing the loss of post - harvest rice is 11.6 and maize is approximately 18 - 19 in the Red River Delta region and other regions. In the Mekong Delta the loss of post - harvest rice is about 13.7 . The main way currently applied to control stored agricultural products is the chemical method by which phosphine was used. However this method cannot completely control insect pests but it kills useful insects and .
