Geographic Variation of the Brachypterous Grasshopper Parapodisma setouchiensis Group in Western Honshu, with Its Taxonomic Revision

• Kawakami Yasushi

  Department of Biology, Faculty of Education, Tottori University:(Present address)Tottori West Technical High School

Abstract

The Parapodisma setouchiensis group (Catantopidae) is revised based on geographic variation in external morphology. This group appears to constitute a single polytypic species, P. setouchiensis Inoue, consisting of four geographic forms (Basic, Mt. Hyonosen, Tanba, and Yamato). Four taxa, Parapodisma tanba, P. yamato, P. hyonosenensis hyonosenensis, and P. hyonosenensis kibi, are treated as junior synonyms of P. setouchiensis. The polarity of character states in the P. setouchiensis group was inferred from the distribution pattern of the geographic forms. All pairs of adjacent forms intergrade through relatively narrow zones that may have originated from secondary contact. In two genital characters (triangular marking and cercus morphology), there are clines with different ranges across the boundary between the Tanba and Mt. Hyonosen forms.

Journal

• Species Diversity

  Species Diversity 4 (1), 43-61, 1999

  The Japanese Society of Systematic Zoology

Keywords

• geographic variation
• brachypterous grasshopper
• Parapodisma setouchiensis group
• morphology
• taxonomic revision
• transitional zone
• hybrid zone

Details

• CRID: 1390001204457550464
• NII Article ID: 110002344040
• NII Book ID: AA11114903
• DOI: 10.12782/specdiv.4.43
• ISSN: 21897301
• ISSN: 13421670
• ISSN: http://id.crossref.org/issn/13421670
• NDL BIB ID: 4821803
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I4821803
• Web Site: https://www.jstage.jst.go.jp/article/specdiv/4/1/4_KJ00003893181/_pdf
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed