Revision of the wingless Sikkimia Duvivier (Coleoptera, Chrysomelidae, Galerucinae) from Taiwan, including a new generic synonymy and four new species descriptions

Chi-Feng Lee; Jan Bezdek

doi:10.3897/zookeys.553.6576

Revision of the wingless Sikkimia Duvivier (Coleoptera, Chrysomelidae, Galerucinae) from Taiwan, including a new generic synonymy and four new species descriptions

Journal

Zookeys

Journal Issue

553

Pages

79-106

Date Issued

2016-01

Date

2016-01

Author(s)

Chi-Feng Lee

Jan Bezdek

DOI

10.3897/zookeys.553.6576

URI

https://scholars.tari.gov.tw/handle/123456789/5244

Abstract

The genus Taiwanolepta Kimoto, 1989 (type species T. babai Kimoto, 1989) is proposed as a junior synonym of Sikkimia Duvivier, 1891. Sikkimia species from Taiwan form a group characterized by the reduction of their hind wings. Most of them cannot be distinguished using external morphology, except by the structure of last two antennomeres in males. Diagnoses are made by using distribution, aedeagal, and gonocoxal morphology. The group includes one previously described species, Sikkimia babai (Kimoto, 1989), comb. n., and four new species, S. meihuai sp. n., S. sufangae sp. n., S. tsoui sp. n., and S. yuae sp. n. Speciation models, supporting the high diversity of Sikkimia species in Taiwan, are discussed. Sikkimia metallica Jacoby, 1903 and S. tamra Maulik, 1936, both from southern India, are transferred to the genus Cerophysa Chevrolat, 1836.

Subjects

Leaf beetles

Polygonum chinense

nocturnal behavior

taxonomic revision

Publisher

Pensoft Publishers

Type

journal article

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