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New species of alderfly genus S ialis ( M egaloptera: S ialidae) from C hina and V ietnam, with a key to species of S ialis from A sia
Author(s) -
Liu Xingyue,
Hayashi Fumio,
Yang Ding
Publication year - 2015
Publication title -
entomological science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.536
H-Index - 28
eISSN - 1479-8298
pISSN - 1343-8786
DOI - 10.1111/ens.12142
Subject(s) - biology , genus , zoology , key (lock) , ecology
The alderfly genus S ialis is the most species‐rich group of the family S ialidae. However, discovery of new S ialis species is becoming difficult because of previous good faunal exploration. In this paper, we describe two new S ialis species from the southern part of E ast A sia, S . australis and S . jiyuni , based on materials from historical and recent collections. These two species are closely related to the insular species S . kumejimae and are among the early diverged species within S ialis . Presently, 32 species of S ialis are recorded from A sia. A key to all the S ialis species from A sia is provided.

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