Khan, A. A. and Mir, R. A. (2008) “Functional Response of Four Predaceous Coccinellids, <I>Adalia tetraspilota</I> (Hope), <I>Coccinella septempunctata</I> L., <I>Calvia punctata</I> (Mulsant) and <I>Hippodamia variegata</I> (Goeze) Feeding on the Green Apple Aphid, <I>Aphis pomi</I> De Geer (Homoptera: Aphididae)”, Journal of Biological Control, 22(2), pp. 291–298. doi: 10.18311/jbc/2008/3762.