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Two Neotropical Derbid Genera with Observations on Wing Rolling (Fulgoroidea, Homoptera)

Florida Entomologist
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Dawnarioides hispaniolus n. sp. from the Dominican Republic, and a new genus, Neodawnaria, with 4 new species, woldai from Panama, jamaicensis, ecuadorensis, and hondurensis, are described. Changes are made in Fennah's (1952) key to the genera of Cenchreini to adapt it to the New World only, with Dawnarioides placed differently, Neodawnaria added, and Phrygia (Achilidae) deleted. Also added is Ipsnola Signoret, a monotypic genus from Chile, formerly placed in Achilidae or Cixiidae. A catalog of new world Cenchreini is included. Longitudinal wing rolling is described and postulated to be a wing-strengthening device for adaptation to life in rain forests.

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