Journal of Biological Control

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Life Tables and Intrinsic Rates of Increase of Cyrtorhinus lividipennis Reuter (Heteroptera:Miridae)


Affiliations
1 Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore-641003, India
 

Life tables were constructed for the predatory mirid bug Cyrtorhinus lividipennis Reuter under laboratory conditions. An average of 4.7 females/female/day on the fourth day were produced when Nilaparvata lugens Stal (BPH) nymphs alone were used while 3.8 females were produced on the fourth day when a mixture of N. lugens and Sogatella furcifera (Horvath) (WBPH) was used. However, the innate capacity of increase for C. lividipennis was found to be 0.13 with BPH alone as prey while it reached 0.30 with a mixture of BPH and WBPH nymphs.

Keywords

Cyrtorhinus lividipennis, Intrinsic Rate of Increase, Life Table, Nilaparvata lugens, Sogatella furcifera.
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  • Life Tables and Intrinsic Rates of Increase of Cyrtorhinus lividipennis Reuter (Heteroptera:Miridae)

Abstract Views: 217  |  PDF Views: 135

Authors

M. Ganesh Kumar
Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore-641003, India
R. Velusamy
Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore-641003, India

Abstract


Life tables were constructed for the predatory mirid bug Cyrtorhinus lividipennis Reuter under laboratory conditions. An average of 4.7 females/female/day on the fourth day were produced when Nilaparvata lugens Stal (BPH) nymphs alone were used while 3.8 females were produced on the fourth day when a mixture of N. lugens and Sogatella furcifera (Horvath) (WBPH) was used. However, the innate capacity of increase for C. lividipennis was found to be 0.13 with BPH alone as prey while it reached 0.30 with a mixture of BPH and WBPH nymphs.

Keywords


Cyrtorhinus lividipennis, Intrinsic Rate of Increase, Life Table, Nilaparvata lugens, Sogatella furcifera.