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OCCURRENCE AND POPULATION DENSITY OF APHIDS IN APPLE ORCHARDS OF SOUTH BULGARIA
apple aphids infestation Dyspahis plantaginea Dysaphis devecta Rhopalosiphum insertum Macrosiphum euphorbiae Aphis spiraecola Aphis pomi Eriosoma lanigerum
2014/2/21
In a 2006-2008 study, seven aphid species (Hemiptera: Aphididae) were detected on apple trees in South Bulgaria: Rhopalosiphum insertum Walk. (apple-grass aphid), Dysaphis plantaginea Pass (rosy apple...