<![CDATA[Dragon fruit is a cactus plant that originates from Mexico. Dragon fruit began to enter and be recognized in Indonesia in the early 2000s. This Thai-imported plant then rapidly developed in Indonesia. Serdang Bedagai Regency is one of the producers of dragon fruit in North Sumatra province. The dragon fruit cultivation area uses a polyculture planting system because it is situated among other types of cultivated plants. The use of a polyculture planting system by farmers can affect the diversity of arthropods in a cultivation area. The diversity of arthropods is believed to be usable as one of the bioindicators of the condition of an ecosystem. The purpose of this research is to determine the diversity of arthropods in dragon fruit plantations. The research methods used include direct observation, net traps, yellow traps, and pitfall traps. Insect identification was carried out using an insect identification book and the Naturalist application. The results of this study identified 7 orders, including Diptera, Hymenoptera, Lepidoptera, Orthoptera, Coleoptera, Hemiptera, and Acarina. In this study, the diversity index value was found to be 1.77, which is classified as moderate, the arthropod richness index was 1.65, which is classified as low, and the arthropod evenness index was 0.72, which is classified as high.]]>
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