The most common aphid species causing problems in greenhouse crops are the green peach aphid (Myzus persicae), melon/cotton aphid (Aphis gossypii), chrysanthemum aphid (Macrosiphoniella sanbomi), rose aphid (Macrosiphum rosae), potato aphid (M. euphorbiae), and the leaf-curling plum aphid (Brachycaudus helichrysi).