A new species of palaemonid prawn emMacrobrachium/em emramae/em sp.nov. (Malacostraca:Decapoda:Palaemonidae) from Rupnarayana River, West Bengal, India with its molecular profiles.

A new species Macrobrachium ramae is described from Rupnarayana river, West Bengal, India along with its molecular characterization and Scanning electron microscopy. The species shares certain characters with M.gurudeve, M.

First record of the mosquito control potentiality of (F. Hamilton, 1822) Gobiidae, in laboratory condition.

Background And Objectives: In recent years, resurgence of mosquito-borne diseases has become a serious health problem in India. In the present study, , a common indigenous fish, has been tested for its biocontrol potentiality for controlling larvae. This small larvivorous fish can consume large number of larvae even in the presence of alternate prey.

Diversity and community structure of aquatic insects in a pond in Midnapore town, West Bengal, India.

In total 20 species of aquatic insects have been recorded from a weed infested pond. Odonata was numerically the most abundant group constituting of 54% of the total aquatic insects even though these belonged to three species. Coleoptera though constituted only 22% of aquatic insects had 10 species.