Preliminary study of predation of the multi-colored lady beetle, Leis axyridis (Pallas), on two species of aphids
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Adults of multi-colored lady beetle, Leis axyridis were starved for 24- hour, and allowed to prey on soybean aphid, Aphis glycines Matsumura, and corn leaf aphid, Rhopalosiphum maidis(Fitch) which were at various densities. By comparing and analyzing its predatory potential, we consider that both L. axyridis’ preying on A. glycines and on R. maidis were fitted with type II response, which can be simulated by Holling disc equation, and expressed as: Na 0.6792N/ (1 0.0022N) corn ? ? and Na 0.9463N/ (1 0.0023N) soybean ? ? , respectively. In addition, by comparing its functional parameters, we found that L. axyridis’ ability to control A. glycines is significantly stronger than that of R. maidis.
Originating text in Chinese.
Citation: Lin, Zhiwei, Wang, Liyan, Sun, Qiang, Nan, Shan. (1999). Preliminary study of predation of the multi-colored lady beetle, Leis axyridis (Pallas), on two species of aphids. Journal of Heilongjiang August First Land Reclamation University, 11(1), 26-28.
Originating text in Chinese.
Citation: Lin, Zhiwei, Wang, Liyan, Sun, Qiang, Nan, Shan. (1999). Preliminary study of predation of the multi-colored lady beetle, Leis axyridis (Pallas), on two species of aphids. Journal of Heilongjiang August First Land Reclamation University, 11(1), 26-28.
Keywords
Leis axyridis, Soybean aphid, Aphis glycines, Corn aphid, R. maidis, Predation
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