Evaluation of Status and Diversity of Odonates of Kondajji Lake, Kondajji Village, Harihar Taluk, Davanagere District, Karnataka, India

A study on diversity of odonates was conducted at Kondajji Lake of Kondajji Village located in Harihar Taluk, Davanagere District of Karnataka. The study was conducted to explore status, diversity and threats of Odonates during February 2007 to January 2008. The study revealed a total of 34 species of Odonates in 24 genera belonging to 6 families have been reported. Among them Anisoptera (Dragonflies) dominated with 25 species, followed by the Zygoptera (damselflies) with 9 species. The family Libellulidae dominated with 20 species among the Anisoptera. Among the Zygoptera, Coenagrionidae was found to be the dominant family with 6 species. Based on the frequency of occurrence 35% of the species were common, 23% were very common, 21% were rare, 15% were occasional and 6% were very rare. According to IUCN categorization all the odonate species recorded from the study area comes under ‘Least Concern’ (LC) category. The study provides the baseline data on Odonates diversity of some major wetland water bodies of Davanagere District of Karnataka state for research on their biology and the conservation.