Diversity of cockroaches from eastern Ghats of Tamil Nadu
Senraj M, S Maria Packiam, S Prabakaran, Deepa Jaiswal
Cockroaches are globally known as pest; nearly 1% of the known species are domestic pest. They are cosmopolitan, preferring temperate and dump habitat. In this few species are strictly phytophagous, majority are omnivorous. They are remarkably fast runner and poor in flying. Cockroaches are among the most ancient in pterygote insects, their fossil evidence reveals that their extreme abundance in the precarboniferous period. Blattids specimens were collected from the different localities of Eastern Ghats of Tamil Nadu (Vellore, Salem, Dharmapuri, Vellore and Namakkal districts), during the period from 2017 - 2019. Blattids were collected from different habitats. A total of 260 specimens were studied which resulted in identied 33 species of Blattids under 4 families viz., Family Blaberidae is more dominant with 17 species followed by families Ectobiidae & Blattidae contains 6 species both and the family Corydiidae contains 4 species.