Diversity and Distribution Records of Orthoptera (Insecta) in Nagarhole Tiger Reserve, Karnataka, India
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Proc Zool Soc https://doi.org/10.1007/s12595-020-00339-1
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RESEARCH ARTICLE
Diversity and Distribution Records of Orthoptera (Insecta) in Nagarhole Tiger Reserve, Karnataka, India Rajaganesh Rajapandian1 • Senthilkumar Natchiappan1
Received: 28 May 2018 / Revised: 12 July 2020 / Accepted: 21 July 2020 Ó Zoological Society, Kolkata, India 2020
Abstract Arthropods are the foremost speciose and abundant macroscopical fauna on the earth and are quintessential members of terrestrial and non-marine aquatic systems. Total ecosystem services provided by insects embody pollination, decomposition and soil formation, biological management, and population regulation of other animals. Orthoptera is usually thought to be a larger group in most terrestrial environments. These insects feed on all kinds of herbs and sometimes cause economic harm. In this research, we investigated the diversity and distributional pattern of Orthoptera fauna in Nagarhole tiger reserve, Hunsur, Karnataka, India. Nagarhole tiger reserve is the important biodiversity hotspot in Karnataka. Totally 42 species belonging to 32 genera under 14 sub families and four families were recorded. Statistical tools PAST (Ver. v2.02) were employed to find the species diversity, richness and evenness were calculated. The habitus photographs are provided for the first time. Keywords Checklist Crickets Grasshoppers Nagarhole tiger reserve Species inventory Taxonomy Abbreviations NTR Nagarhole tiger reserve DC Day collection NC Night collection NFIC National Forest Insect Collection FRI Forest Research Institute
& Senthilkumar Natchiappan [email protected] 1
Institute of Forest Genetics and Tree Breeding, Coimbatore, Tamilnadu 641002, India
Introduction Among the insect orders, Orthoptera is one of the largest in the grasslands. The Orthopteran insects are widely distributed throughout the physiographic zones of the world. Although they have been reported in various ecosystems, Orthopterans are especially important for the economy of the grassland ecosystems, because they are important primary herbivores and contributing to the diet of many other animals such as the birds, spiders and the reptiles (Gangwere et al. 1997). Orthopterans have also been successfully used in biomonitoring the effects of changes in land management regimes (O’Neill et al. 2003). The present study focuses on the, Nagarhole National Park, officially known as the Rajiv Gandhi National Park and its part of the Nilgiri Biosphere Reserve. The Western Ghats Nilgiri SubCluster of 5520 km2, including all of the Rajiv Gandhi National Park, is under consideration by the UNESCO World Heritage Committee for selection as a World Heritage Site (World Heritage sites and Tentative lists 2007). The Ministry of Environment, Forest and Climate change, Government of India, has declared the park the thirty seventh Project Tiger Reserve and as an extension of the Bandipur Tiger Reserve in 2000 (ENVIS 2012). The park has a rich diversity of habitats and
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