A taxonomic review of Stachyotis (Lepidoptera: Yponomeutoidea: Plutellidae) with description of a new species from China

Jae-Cheon Sohn

Abstract


The genus Stachyotis (Lepidoptera, Yponomeutoidea, Plutellidae) is reviewed by re-description of the type species, Stachyotis epichrysa Meyrick from Sri Lanka and description of a new species, S. chunshengwui sp. nov. from China. These 2 congeners are distinguished from each other in their forewing patterns and male genitalia. The diagnostic features of Stachyotis are proposed from the forewing venation, structures of the second sternite and the tergites, and the male genitalia. A possible association of Stachyotis and Orthenchesgroup is discussed.

 

Se revise el genero Stachyotis (Lepidoptera, Yponomeutoidea, Plutellidae) con la re-descripcion de la especie tipo, Stachyotis epichrysa Meyrick de Sri Lanka y la descripcion de una nueva especie, S. chunshengwui sp. nov. de China. Estos 2 congeneres se distinguen por el patron de las alas anteriores y la genitalia del macho. Se provee caracteristicas diagnosticas de Stachyotis para la venacion de las alas anteriores, la estructura del segundo esternito y los tergitos y la genitalia masculina. Se discute una posible asociacion de Stachyotis y el grupo Orthenches.

 

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Keywords


China; Orthenches-group; Plutellidae; Sri Lanka; Stachyotis chunshengwui n. sp.; Yponomeutoidea

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