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Brachyptery and aptery in Lepidoptera
By J. B. Heppner
Tropical Lepidoptera Research (2)1: 11-40, 1991
Cite: 1603948 with citation markup [cite:1603948]
PDF available here.

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Chionodes occlusa
Hodges collected a single brachypterous female Chionodes occlusa at Cottonwood Pass, Colorado. This may be the only known Nearctic example of a brachypterous gelechiid, as none are listed by Heppner. However, many flighted females of the species have been collected elsewhere; brachyptery could be an adaptation in this species to alpine habitat.

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