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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
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Your Position :Home->Past Journals Catalog->2010 Vol.29 No.2

Two New Species of Genus Tetrix (Orthoptera: Tetrigidae) from Henan Province
Author of the article:ZHAO Ling1, NIU Yao2, ZHENG Zhe-min1*
Author's Workplace:(1. Institute of Zoology, Shaanxi Normal University, Xi'an 710062, China; 2. College of Life Sciences, Henan Normal University, Xinxiang, Henan Province 453007, China)
Key Words:Orthoptera; Tetrigidae; new species; taxonomy
Abstract:
In this paper, two new species of Tetrigidae: Tetrix jigongshanensis sp.nov. and Tetrix glochinota sp.nov., are described. Type specimens were deposited in the Institute of Zoology, Shaanxi Normal University.
1. Tetrix jigongshanensis sp.nov.  
This new species is similar to Tetrix cavifrontalis Liang, 1998, but differs by the following: 1) anterior margin of vertex is straight; 2) in profile, the vertex and frontal ridge forms an obtuse angular; 3) in profile, the frontal ridge straightens before the lateral ocelli; 4) in profile, the upper margin of the pronotum arcs; 5) the anterior margin of the pronotum is obtuse angular; 6) the hind process of the pronotum reaches the middle of the hind femur; 7) the hind wing doesn’t reach the top of the hind process; 8) the width of the midfemur is wider than the width of the elytra.
Length of body: ♀ 7.5~8 mm; length of pronotum: ♀ 5.5~6 mm; length of hind femur: ♀ 5~5.5 mm.
Holotype ♀, Henan: Xinyang (Jigongshan) 114°1E, 31°7N, 29-June-1992, collected by Niu Yao; paratype, 1 ♀. Same data as holotype.
2. Tetrix glochinota sp.nov.  
This new species is similar to Tetrix simulans (B.-Bienko), 1929 and Tetrix yunlongensis Zheng et Mao, 2002. It differs from both in the following: 1) the anterior margin of the vertex is straight; 2) in profile, the upper margin of the pronotum is globular in the anterior half and has a flat hind part; 3) the hind process reaches the top of the hind femur. It differs from the former by: 1) in profile, the frontal ridge concaves before lateral ocelli; 2) the width of the midfemur is wider than the width of the elytra. It differs from the latter by width of vertex which is 1.7 times of an eye.
Length of body: ♀ 9.5~10 mm; length of pronotum: ♀ 10~10.5 mm; length of hind femur: ♀ 5~6 mm.
Holotype ♀, Henan: Tongbai 113°3′E, 32°3′N, 17-July-2001, collected by Niu yao; paratypes, 2 ♀. Same data as holotype.
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