Four New Species of Amphinemura (Plecoptera: Nemouridae) from Sichuan, China

Authors

  • Xiao-Yu Ji School of Horticulture and Plant Protection and Institute of Applied Entomology, Yangzhou University, Yangzhou 225009, China., Yangzhou University, Jiangsu
  • Yu-Zhou Du School of Horticulture and Plant Protection and Institute of Applied Entomology, Yangzhou University, Yangzhou 225009, China., Yangzhou University, Jiangsu

Keywords:

Plecoptera, Nemouridae, Amphinemura, new species, China

Abstract

Four new species of the genus Amphinemura (Plecoptera: Nemouridae) were described from Sichuan, China with morphological descriptions and illustrations, i.e., A. gyracantha Ji & Du sp. nov., A. digitata Ji & Du sp. nov., A. spinellosa Du & Ji sp. nov., and A. qingchengshana Ji & Du sp. nov. A. gyracantha is similar to Amphinemura dispositspina Du & Wang, 2007 in the epiproct, but the morphology of the lateral arm of the epiproct and the median paraproct lobe of the new species is diagnostic. A. digitata is related to A. sclerotica Du and Zhou, 2007 in having a similar paraproct in the ventral view, but the epiproct of two new species is distinct. A. spinellosa is similar to A. lii Zhu and Yang, 2003 in the paraproct, but A. denticulat can be easily separated by inner lobe slightly sclerotized and outer lobe separated from median lobe. A. qingchengshana is related to A. claassenia Wu, 1935 in having a similar epiproct, but they differ mostly in the details of paraproct.

 

Cuatro nuevas especies del género Amphinemura: A. gyracantha de Ji y Du sp. nov., A. digitata Ji y Du sp. nov., A. denticulata Du y Ji sp. nov., A. qingchengshana Ji y Du sp. nov. son descritas e ilustradas de Sichuan, China. Amphinemura gyracantha es similar a A. dispositspina Du y Wang, 2007 en el epiprocto, pero los brazos laterales del epiprocto y el lóbulo paraprocto mediano son diagnósticos y puede ser usados para distinguir A. gyracantha de A. dispositspina. Amphinemura digitata se relaciona con A.esclerótica Du y Zhou, 2007 en tener los paraproctos en la vista ventral similares, pero por lo demás sus epiprocts son claramente diferentes. Amphinemura denticulata es similar a A. lii Zhu y Yang, 2003 en el paraproct, pero A. denticulata se puede separar fácilmente por el lóbulo interior poco esclerotizado y su lóbulo exterior separado de su lóbulo medio. Amphinemura qingchengshana está relacionada con A. claassenia Wu, 1935 en tener un epiprocto similar, pero difieren principalmente en los detalles del paraprocto.

 

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Published

2014-06-21

Issue

Vol. 97, No. 2 (June 2014)

Section

Research Papers

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