Полиморфизм гороховой тли (Acyrthosiphon pisi Kalt.)

Abstract

According to the author's data Acyrthosiphon pisi К a l t. for the forms, des cribed in the literature, have also the following ones: wingled feinale-sexupara and wingled males. These forms appear in the population, lived on pea and winter vetch in autumn period.