EFFECT OF THREE CONSTANT TEMPERATURES ON THE PREDATORY EFFICIENCY OF FOUR AQUATIC PREDATORS ON CULICINE MOSQUITO LARVAE
Saba, R., Farghal, A., Helal, T., Abdel-All, S. (2012). EFFECT OF THREE CONSTANT TEMPERATURES ON THE PREDATORY EFFICIENCY OF FOUR AQUATIC PREDATORS ON CULICINE MOSQUITO LARVAE. EKB Journal Management System, 3(5), 409-414. doi: 10.21608/jppp.2012.83784
R. M. Saba; A. I Farghal; T. Y. Helal; S. M. Abdel-All. "EFFECT OF THREE CONSTANT TEMPERATURES ON THE PREDATORY EFFICIENCY OF FOUR AQUATIC PREDATORS ON CULICINE MOSQUITO LARVAE". EKB Journal Management System, 3, 5, 2012, 409-414. doi: 10.21608/jppp.2012.83784
Saba, R., Farghal, A., Helal, T., Abdel-All, S. (2012). 'EFFECT OF THREE CONSTANT TEMPERATURES ON THE PREDATORY EFFICIENCY OF FOUR AQUATIC PREDATORS ON CULICINE MOSQUITO LARVAE', EKB Journal Management System, 3(5), pp. 409-414. doi: 10.21608/jppp.2012.83784
Saba, R., Farghal, A., Helal, T., Abdel-All, S. EFFECT OF THREE CONSTANT TEMPERATURES ON THE PREDATORY EFFICIENCY OF FOUR AQUATIC PREDATORS ON CULICINE MOSQUITO LARVAE. EKB Journal Management System, 2012; 3(5): 409-414. doi: 10.21608/jppp.2012.83784

EFFECT OF THREE CONSTANT TEMPERATURES ON THE PREDATORY EFFICIENCY OF FOUR AQUATIC PREDATORS ON CULICINE MOSQUITO LARVAE

Journal of Plant Protection and Pathology
Article 2, Volume 3, Issue 5, May 2012, Page 409-414  XML PDF (275.27 K)
Document Type: Original Article
DOI: 10.21608/jppp.2012.83784
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Authors
R. M. Saba1; A. I Farghal2; T. Y. Helal2; S. M. Abdel-All1
1Plant Protection Dept., Faculty of Agric., Al-Azhar University
2Plant Protection Dept., Faculty of Agric., Assiut University
Abstract
The predatory efficiency of four aquatic predators [Bufo regularis L., Orthetrum spp., Anisops sardea Herrich Schaeffer and Sigara selecta (Fiebre)] at three constant temperatures (15, 25 and 35°C) was evaluated on culicine larvae. Results showed significant variation in predation rate between the four predators at the three constant temperatures tested.  Regardless of temperature, the predator Orthetrum spp. exhibited the highest active predators (18.1 larvae/day), followed by A. sardea ((12.2 larvae/day).  B. regularis and S. selecta showed significant low predation rate (5.7 and 1.0 larvae/day). The predatory efficacy of the four predators was higher at 25 and 35°C than that at 15°C.
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