Main Article Content
The diversity of insect in tamarind orchard Wang Thong District, Phitsanulok Province during June to August, 2017 was investigated. Samples were collected by random sampling methods using sweep net. The results showed that insect samples obtained in the study can be classified into 30 families in 8 orders: Araneae (1 families, 1.01%), Coleoptera (6 families, 25.77%), Diptera (4 families, 3.43%), Homoptera (7 families, 26.76%), Hymenoptera (5 families, 27.80%), Lepidoptera (5 families, 8.10%), Odonata (1 families, 4.87%) and Orthoptera (1 families, 4.06%) The family Apidae (orders Hymenoptera) was the most common family found in the area (19.91%). The analysis of Shannon – Wiener’s diversity index and dominance index showed low insect diversity (J'= 0.458) and there was no dominant species of insect in the study area (C = 0.087).