[Pests affecting broadleaved plants: a field guide]

castanea ciclo vital control de plagas diagnosis diagnostic distribution naturelle enemigos naturales ennemi naturel eucalyptus fraxinus gall causing insects hosts identification insecte gallicole insecte phyllophage insecte suceur insectos causantes de agallas insectos chupadores insectos depredadores de las hojas insectos que atacan las semillas leaf eating insects life cycle lutte antiravageur natural distribution natural enemies parasite parasites pest control quercus seed damaging insects stem eating insects sucking insects symptome symptoms ulmus