Winter survival of organisms has a crucial effect on their fitness in a seasonal environment. We tested whether overwinter survival of male water striders, Aquarius najas (De Geer) (Heteroptera: Gerridae), is associated with the time of season they leave the water for winter diapause. This was performed by comparing parameters of males leaving the water at the beginning of autumn and 1 month la...

A biomonitoring study of River Jatinga located in south Assam, north east In-dia was conducted for the first time. The aimed to evaluate water quality river different stretches using aquatic in-sect as bioindicators. Insect samples were collected from selected sites mid-stream and downstream during monsoon- post monsoon, 2018 winter- pre 2019. total 25 families insects recorded 8 orders; Gerrid...

Atlantid heteropods are collected occasionally in Hawaiian waters with yellow, narrowly elliptical objects attached to their shells. Examination of 139 of these objects from 72 atlantids showed that they consisted of an outer, clear capsule whose contents were usually yellow, although 16 were empty and four contained brown insects at an advanced stage of development. The latter were identified ...