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History, Distribution, and Identification of Exoteleia Dodecella (L.) (Lepidoptera: Gelechiidae) in North America, With Insights into the Systematics of Exoteleia Wallengren Using Characters of the Adult, Immatures, Bionomics, and DNA Barcodes .

Adamski, D., Landry, J.-F., Passoa, S., and Tracy, R.A. (2010). "History, Distribution, and Identification of Exoteleia Dodecella (L.) (Lepidoptera: Gelechiidae) in North America, With Insights into the Systematics of Exoteleia Wallengren Using Characters of the Adult, Immatures, Bionomics, and DNA Barcodes .", Proceedings of the Entomological Society of Washington, 112(2), pp. 183-206. doi : 10.4289/0013-8797-112.2.183  Access to full text

Abstract

Exoteleia dodecella L. (Lepidoptera: Gelechiidae), a native of Europe, was first documented from North America at several locations in eastern Canada. Additional records indicate this moth has now spread throughout New England and west to northern Pennsylvania, New York, and possibly into Michigan. A second introduction of E. dodecella has occurred near the Vancouver area of British Columbia. To help with the identification of E. dodecella, morphological, biological, and molecular evidence are presented. Key features of the adult, larval, and pupal morphology are compared to other Exoteleia and illustrated with line drawings and scanning electron micrographs. The high sequence divergence (> than 7 %) of E. dodecella, compared to samples of related native North American species demonstrates that DNA barcodes are a useful identification tool for this pest. A summary of the biology of E. dodecella, including 12 species of larval and pupal parasitoids (each representing a new host record) is also included.

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