Sigmaboilus

Gu, Junjie, Zhao, Yun-Yun & Ren, Dong, 2009, New fossil Prophalangopsidae (Orthoptera, Hagloidea) from the Middle Jurassic of Inner Mongolia, China, Zootaxa 2004, pp. 16-24 : 17

publication ID

https://doi.org/ 10.5281/zenodo.185632

DOI

https://doi.org/10.5281/zenodo.6218990

persistent identifier

https://treatment.plazi.org/id/038F87BC-6565-FFBA-54E1-87584487F89D

treatment provided by

Plazi

scientific name

Sigmaboilus
status

 

Key to species of the genus Sigmaboilus View in CoL based on tegmen

1. Whole tegmen fuscous.................................................................................................................................................. 2

-. The coloration of tegmen formed irregular bands ........................................................................................................ 3

2. Second anterior branch of CuA+CuP1a forked and CuP1b straight ............ S. gorochovi View in CoL Fang, Zhang & Wang, 2007

-. Second anterior branch of CuA+CuP1a pectinate and CuP1b curved. .............................................. S. fuscus View in CoL sp. nov.

3. First and second anterior branch of CuA+CuP1a forked, the ‘handle’ forming a distinct angle with crossvein between the ‘handle’ and CuP1a ....................................................................... S. sinensis View in CoL Fang, Zhang & Wang, 2007

-. Second anterior branch of CuA+CuP1a dichotomously ramified, the ‘handle’ subparallel to each crossvein between the ‘handle’ and CuP1a ................................................................................................................ S. peregrinus View in CoL sp. nov.

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