Preliminary study on composition and diversity of beetles (Order- Coleoptera) in and around Davangere University Campus, Davangere, Karnataka

Abstract

This study is conducted to examine the diversity of Beetles (Coleoptera) inhabiting in and around Davangere University Campus, Karnataka, India. Based on the different habitat sites. The survey is carried for four months (January-April 2018) at four sites. A total of 324 beetles belonging to 29 species under 10 families were recorded. Scarabaeidae is the most dominant family with 10 species followed by Coccinellidae with 7 species, Tenebrionidae with 4 species, Histeridae with 2 species, Cerambycoidae, Chrysomelidae, Curculionidae, Dynastidae, Elateridae and Hydrophylidae with 1 species each. On the basis of total number of individuals Chilocorus nigrita is the most dominant species and constituted 33.64% of total beetles followed by Oniticellus cinctus Fabricius 13.58% and Gonocephalum granulatum (11.72%). Diversity index and species richness indicates good assemblage of beetles in the study area.