TY JOUR TI ENVIRONMENTAL FACTORS INFLUENCING THE NUMBER OF PREIMAGINAL PHASES OF DEVELOPMENT MIDGES KW midges KW larvae KW pupae KW density KW hatching places KW environmental factors JO Bulletin of KSAU AU Fyodorova, O.A. AU Sivkova, E.L. PY 2015 IS PB Krasnoyarsk State Agrarian University