M. N. V. M. J. M. M. Anandaraj, “Breeding potential of Pentalonia nigronervosa f. caladii Van der Goot (Homoptera: Aphididae) on katte escape cardamom (Elettaria cardamomum Maton) plants”, J Spices Arom Crops, vol. 8, no. 2, pp. 189–191, Dec. 1999.