General The hemispherical or helmet scale, Saissetia coffeae , occurs widely in tropical regions and in greenhouses throughout the world. It is a severe
General The blueberry aphid, Ericaphis fimbriata or Ericaphis scammelli , is most likely of North American origin and was probably introduced into Europe
General The citrus mealybug ( Planococcus citri ) has a world-wide distribution and many and diverse host plants. In temperate regions of the world this [...] adult the females start to release a sex pheromone to attract males. Males generally fly only in the early morning.
General The goat moth ( Cossus cossus ), is a pest of broad-leafed trees. It is most often found in birch, ash, willow and elm but can also attack fruit
General Xanthomonas vesicatoria is a bacterium that causes bacterial leaf spot on peppers and tomatoes. Damage symptoms Xanthomonas vesicatoria in tomato
General Mycosphaerella cucumis (Didymella bryoniae) is a fungal plant pathogen that causes gummy stem blight. Damage symptoms Mycosphaerella cucumis in
General Rhizobium bacteria are soil bacteria that fix nitrogen after becoming established inside root nodules of legumes. Additionally, pathogenic Agr
General Parastagonospora nodorum (Phaeosphaeria nodorum) is a fungal pathogen of wheat , barley and ryethat induces yield and quality losses. Damage symptoms
General The rose aphid, Macrosiphum rosae , is a serious and often abundant pest of roses. It is virtually cosmopolitan and widely spread in Europe. Damage
General The large blackberry aphid, Amphorophora rubi , is very similar to the large raspberry aphid Amphorophora idaei . As both aphid species are host