'Prof. Marin Drinov Publishing House of BAS (Bulgarian Academy of Sciences)'
Abstract
Two aphid species of the genus Illinoia Wilson, 1910 are reported for the first time in Bulgaria, Illinoia (Illinoia) azaleae (Mason, 1925) and Illinoia (Masonaphis) lambersi (MacGillivray, 1960). They are pest mainly on Rhododendron sp. and were collected from important ornamental plants in two garden centres in Sofia and the village of Ravda, Burgas Region. The new records are provided with original illustrations based on Bulgarian materials