Additional information about Volga - river species of genus Cryptochironomus (Diptera, Chironomidae) larvae morphology characters

The morphology characters of the larvae C.obreptans and C.defectus from the Volga-river reservoirs from 2000 had been studied. Independent on species domination in the biotop morphology characters of the larvae C.obreptans and C.defectus differs by 2,9. 20,2 %. Body length divided by head length from the body length dependence of the larvae C.obreptans и C.defectus had been found.