Population dynamics of spiders in Ayya Nadar Janaki Ammal College Campus, Sivakasi, Virudhunagar District, Tamil Nadu, India

Population dynamics of spiders in Ayya Nadar Janaki Ammal College Campus, Sivakasi, Virudhunagar District, Tamil Nadu, India

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Spiders play an important role in regulating insect pests in the agricultural ecosystem. There are a large number of species, many of them with high population densities. A survey was conducted in the Ayya Nadar Janaki Ammal College campus from January, 2011 - March, 2011. 29 individuals were collected representing 11 families and 21 genera. From these, 25 species were present throughout the campus; however, only 5 of these were taken in the ground, they are the ground dwellers. Peucetia viridana (Stolizcka), Oxyopes hindostanicus(Tikader), Lycosa pseudoannulata (Bosenberg) and Plexippus petersi, were common. P. viridana was the dominant species followed by O. hindostanicus, L. pseudoannulata, P. petersi and G. poonaensis respectively.P. viridana comprised 75% of the fauna in these respective areas.