A revision of the Genus Ephemerella (Ephemeroptera: Ephemerellidae) II. The subgenus Caudatella

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Abstract:

The six known species of this subgenus include E. (C) orestes from Oregon and E. (C.) cascadia from Oregon and northern California, both of which, like E. (C.) edmundsi Allen, are known only from nymphs. Adults of E. (C) hystrix Traver are described for the first time. E. (C.) heterocaudata McDunnough (=E. colnmbiella McD., new synonymy) is polytypic, with E. (C.) h. californica occurring in the Sierra Nevada mountains of central and southern California, and E. (C.) h. circia in west-central Oregon. Keys are given to the nymphs and to the adults so far as known, and complete synonymies and distributions are included.

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Reference Code: A76ALL03IDUS

Full Citation: Allen, R. K., and G. F. Edmunds, Jr. 1976. A revision of the Genus Ephemerella (Ephemeroptera: Ephemerellidae) II. The subgenus Caudatella. Annals of the Entomological Society of America 54(4): 603-612.

Location: ANIMAL EF: CAUDATELLA EDMUNDSI