... Supported by the Ministry of Education, Youth and Sports of the Czech Republic, Project No. MSM 6215648902.Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae) ... or at the end of April and at the beginning of May (H, Fig. 1. A female of the alder biological form of Galerucella lineola Fig. 2. e body length of males and females of the alder ... development of the alder biological form of G. lineola on leaves of A. glutinosa and A. incana. Polnička, 1995 (light). e diagram of occurrence and development of the willow biological form of G. lineola...