SECONDARY PRODUCTIVITY OF ENTOMOFAUNA IN FRUIT ORCHARDS OF DISTRICT NAINITAL, UTTARAKHAND, INDIA
P.C. Joshi and Naveen C. Joshi
Department of Zoology and Environmental Sciences, Gurukula Kangri University, Haridwar-249404, India.
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Secondary productivity of herbivorous insects in fruit orchards of Mukteshwar area of district Nainital was estimated. A total of 112 species of herbivorous insects belonging to 8 orders and 31 families were collected. The population density and biomass of insects ranged between 0.43 to 28.69 ha-1 and 10.62 and 184.45 mg ha-1, respectively. The cumulative net secondary productivity was 253.51 mg ha-1 in the first year and 183.57 mg ha-1 in the second year of study.
Keywords: herbivorous, insects, productivity, population density, biomass