Diversity of orthoptera in Vaniyamkulam village of Ottappalam, Palakkad district, Kerala
Rahana Moideen Koya VK, Sabira O, Shabna VC, Naznin Shajahan
Order Orthoptera constitute a major quantity of total insect biodiversity and play a major role in trophic chains. Diversity and abundance of orthopterans were studied and analysed in two different habitats of Vaniyamkulam village of Ottappalam thaluk, Palakkad, Kerala. The study was conducted during March 2015 to February 2016.For the study grasshoppers were collected, preserved and identified. The collection method include handpicking and sweeping. The grasshoppers were preserved by pinning. The identification was done with the help of experts. A total of 35 species belonging to 5 families were recorded. The population of grasshoppers belongs to family Acrididae (26 species) was found to be predominant followed by that of Gryllidae (3 species), Pyrgomorphidae (2 species), Tettigonidae (2 species) and Gryllotalpidae. Monthly abundance of the orthopterans show the order: March>April>May>February>November>October>January>September>August>June>December>July. Temperature and humidity influences the abundance of grasshoppers in the study area.