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In Moravia in 1995 to 2006, the abundant occurrence of Galerucella lineola (F.) was used to study its occurrence, biology and harmfulness. Analder” biological form was studied in Alnus glutinosa and...
The second part of the paper deals with the development and harmfulness of larvae and maturation feeding of this year’s beetles of Galerucella lineola (F.) before leaving for winter habitats. Embryoge...
The paper deals with the bionomics and harmfulness of a common cecidogenous aphid Tetraneura ulmi L. (Pemphigidae) which showed outbreak in elms in Moravia in 2002. The majority of examinations was co...
The paper deals with the occurrence, development, natural enemies and harmfulness of a heteroecious aphid Eriosoma (= Schizoneura) ulmi (L.) which showed outbreaks in elm Ulmus glabra Huds. in Moravia...

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