DIVERSITY OF TOP-SOIL INSECTS ON TWO TYPE OF LAND USE PT. TIDAR KERINCI AGUNG, WEST SUMATERA, INDONESIA

Abstract

The research aimed to do the inventory and to reveal the diversity of top-soil insects related to the land utilization types in this company, i.e. conservation forest and oil-palm plantation. This study deployed survey method by collecting samples using pitfall traps. The result showed that the conservation forest and palm oil plantation were inhabited by 32 genera, 19 families, and 8 orders of top-soil insects. which mainly constituted of order Coleoptera, Hymenoptera, Collembola, Orthoptera, Diptera, Plecoptera, Hemiptera, and Dermaptera. The highest diversity (H’=3.07) was observed on nocturnal soil insects at the conservation forest, while diurnal soil insects showed the lowest diversity (H’=1.96) at the oil-palm plantation.