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A tale of two species

Plain text source: 
The name Helicoverpa refers to two species of moth: Helicoverpa punctigera and H. armigera , the corn earworm... The likely magnitude of these influxes of H. punctigera can be estimated by monitoring the breeding areas in inland Australia... The computer model uses current local temperatures to calculate the rate of development of pupae in the soil, and predicts the timing of emergence of moths...
GRDC Taxonomy: