Qualitative composition of insect pests of soybean and their natural enemies associated with different crop stage

The diversity of insect pests and their natural enemies associated with soybean crop stage during Kharif 2017 in district Rewa, Madhya Pradesh, total nine species were recorded on the crop from germination to harvesting stage. Among the infesting insects, Girdle beetle (Obereopsis brevis Swed.), White fly (Bemisia tabici Gennadius), Bihar hairy caterpillar (Spilosoma obliqua Walker), Tobacco caterpillar (Spodoptera litura Fabricius), Green semilooper (Chrysodeixis acuta Walker), Stem fly (Melanagromyza sojae), Blu beetle (Cneorane spp.), Grey weevil (Myllocerus maculosus Desb.) and Jassids (Empoasca kerri Prethi) were noted as the dominating species of insect pests. The natural enemies under the same condition and crop had indicated the presence of six species of natural enemies belonging to class Arachnids and Insecta. Among the arachnid’s; Yellow lynx spider (Oxyopes salticus) were found active from July to October, while among the entomophagous insect Lacewing (Chrysoperla carnea Stephan), lady bird beetle (Cheilomenes sexmaculata), Dragon fly (Ictinogoophus rapus), Pentatomid bug (Eocanthecona furcellata) and Bracon spp. (Bracon greeni Ashmed) were observed in low to medium population on the crop and reduce the pest infestation level.