Anandaraj, M.N.V.M.J.M.M. 1999. Breeding potential of Pentalonia nigronervosa f. caladii Van der Goot (Homoptera: Aphididae) on katte escape cardamom (Elettaria cardamomum Maton) plants. Journal of Spices and Aromatic Crops. 8, 2 (Dec. 1999), 189–191.