Insects Pest Population of maize in warehouses in 4 districts of South Sulawesi Rahmat Thabrani Ashari Amir, Melina*
Departement of plant pest and diseases, Faculty of Agriculture, Hasanuddin University, Makassar, Sulawesi Selatan 90245, Indonesia
*corresponding author: sylviasjam[at]yahoo.com
Abstract
Information on species, insect pest populations that attack and storage conditions determines the control strategy. This study aims to determine the various types of post-harvest pest populations in corn kernels stored in several districts in South Sulawesi. This research was carried out at 4 district storage areas in South Sulawesi. and identification of post-harvest insect pests at the Pest Laboratory, Department of Plant Pests and Diseases, Faculty of Agriculture, University of Hasanuddin Makassar. Sampling using the direct capture method (hand sampling) and manual instruments. Sampling was carried out by taking samples of corn kernels in sacks from five points and taking samples of the corn kernels that were scattered on the floor of the storage warehouse. The results showed that 10 spesies of insects were found including 9 types of pests namely Sitophilus sp, Cryptolestes ferrugineus, Carcyra cephalonica, Carpophilus sp, Araecerus fosciculas, Lophocateres pusillius, Rhyzopertha dominca, Tribolium castaneum and Oryzaephilus surinomensis and one spesie asa parasitoid :Anisopteromalus calandrae. Sitophilus sp. is the most common species found in all districts with a total population of 636 individuals then Cryptolestes ferrugeneus with 53 individuals and T. castaneum with 37 individuals. Post-harvest pest populations in all districts were found more commonly around piles of sacks, namely around 74% compared to populations found in spilage commodities, namely around 26%.
