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Redescription of immature stages of the soybean looper (Lepidoptera: Noctuidae: Plusiinae)
Published online by Cambridge University Press: 09 December 2015
Abstract
Chrysodeixis includens (Walker) is a characteristic Plusiinae (Lepidoptera: Noctuidae) species from the Western Hemisphere. The larva have already been found feeding on several different plant families, including economic value crops such as soybeans. This species coexists and can be confused with Rachiplusia nu (Guenée) (Lepidoptera: Noctuidae) in soybean crops. Furthermore, some studies indicate that C. includens shows tolerance to various insecticides, leading to differentiation among these two species to be most important in relation to control procedures to be undertaken. To contribute to the correct identification of C. includens we made detailed redescriptions of all preimaginal stages (egg, larva, and pupa). Immature stages of C. includens were reared in laboratory under controlled conditions of 27±2 °C, 70–75% relative humidity, and 14:10 (light/dark) photoperiod. We consider opportune detection of preimaginal stages of Chrysodeixis includens will help to control this pest species, especially at admissible economical levels.
- Type
- Systematics & Morphology
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- Copyright
- © Entomological Society of Canada 2015
Footnotes
Subject editor: Chris Schmidt
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