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Phenology Model Database

Spodoptera litura

Scientific name: Spodoptera litura

Phenology models predict timing of events in an organism's development. For many organisms which cannot internally regulate their own temperature, development is dependent on temperatures to which they are exposed in the environment.

Information in this database comes from published articles. It may be used in conjunction with field monitoring and a degree-day calculator.

Note: Before using a model that was not field tested in your location, you should test the model for one or more seasons under your conditions to verify that it will work for you.


Model 1 of 1

Ranga Rao, G. V., J. A. Wightman, and D. V. Ranga Rao. 1989. Threshold temperatures and thermal requirements for the development of Spodoptera litura (Lepidoptera: Noctuidae). Environ. Entomol. 18:548-551.

Location of study: Patancheru, Hyberabad, India (laboratory & field studies)

Developmental threshold
Lower:50.9°F(10.5°C)
Upper:86.0°F(30.0°C)

Method of calculation:Max-Min (IPM Recommends SINGLE SINE)
Cutoff method:Horizontal

Degree-day accumulations required for each stage of development
Host: Groundnut leavesDD (°F)DD (°C)
Pre-oviposition females: 51.328.5
Eggs:96.353.5
Larvae:565.6314.2
Pupae:279.0155.0
Generation time:992.2551.2


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