Two New Species of Tetrigidae (Orthoptera: Tetrigoidea) from Fujian Province
Zheng Zhe
Abstract
Zheng Zhe
Abstract
In the present paper, two new species of Tetrigidae are described. Type specimens are kept in the Institute of Zoology, Shaanxi Normal University. 1. Teredorus fujianensis, sp. nov. (Figs.1~3) This new species is allied to Teredorus albimarginus Zheng et Zhou, but differs in: 1) in profile, vertex not protruding before the eyes; 2) frontal ridge arc protruding between the base of antennae; 3) antenna inserted below the lower margin of eye; 4) total length of pronotum longer than the length ofpronotum which exceed the top of hind femur about 3.0~3.3 times (♂) or 5 times (♀); 5) length of elytra larger than its width about 1.87 times; 6) the width of middle femur as wide as the width of elytra. Length of body: ♂7.0 mm~7.5 mm, ♀9.5 mm. Length of pronotum:♂10.5 mm~11.0 mm, ♀ 10 mm. Length of hind femur: ♂ 5 mm~6 mm, ♀ 6.5 mm. Holotype ♂, paratypes 5♂♂, 1♀, Fujian: Minhou, 20 Ⅶ 1999, collected by Li Kai. 2. Coptotettix minhouensis, sp. nov. (Figs.4~6) This new species is allied to Coptotettix huanjiangensis Zheng et Jiang and Coptotettix annandalei Hancock. It differs from the both in: 1) width of vertex as wide as the width of an eye; 2) posterior angles of the lateral lobes of the pronotum round. It differs from the former in: 1) median carina of pronotum distinct in the whole length; 2) hind process reaching the top of hind femur. It differs from the latter by the hind wing not reaching the top of hind process. Length of body: ♀ 10 mm. Length of pronotum: ♀ 9.5 mm, Length of hind femur: ♀ 6 mm. Holotype ♀, paratype 1♀, Fujian: Minhou, 20 Ⅶ 1999, collected by Li Kai.
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In the present paper, two new species of Tetrigidae are described. Type specimens are kept in the Institute of Zoology, Shaanxi Normal University. 1. Teredorus fujianensis, sp. nov. (Figs.1~3) This new species is allied to Teredorus albimarginus Zheng et Zhou, but differs in: 1) in profile, vertex not protruding before the eyes; 2) frontal ridge arc protruding between the base of antennae; 3) antenna inserted below the lower margin of eye; 4) total length of pronotum longer than the length ofpronotum which exceed the top of hind femur about 3.0~3.3 times (♂) or 5 times (♀); 5) length of elytra larger than its width about 1.87 times; 6) the width of middle femur as wide as the width of elytra. Length of body: ♂7.0 mm~7.5 mm, ♀9.5 mm. Length of pronotum:♂10.5 mm~11.0 mm, ♀ 10 mm. Length of hind femur: ♂ 5 mm~6 mm, ♀ 6.5 mm. Holotype ♂, paratypes 5♂♂, 1♀, Fujian: Minhou, 20 Ⅶ 1999, collected by Li Kai. 2. Coptotettix minhouensis, sp. nov. (Figs.4~6) This new species is allied to Coptotettix huanjiangensis Zheng et Jiang and Coptotettix annandalei Hancock. It differs from the both in: 1) width of vertex as wide as the width of an eye; 2) posterior angles of the lateral lobes of the pronotum round. It differs from the former in: 1) median carina of pronotum distinct in the whole length; 2) hind process reaching the top of hind femur. It differs from the latter by the hind wing not reaching the top of hind process. Length of body: ♀ 10 mm. Length of pronotum: ♀ 9.5 mm, Length of hind femur: ♀ 6 mm. Holotype ♀, paratype 1♀, Fujian: Minhou, 20 Ⅶ 1999, collected by Li Kai.
Key concepts: Orthoptera, Biology, Anatomy, Femur, Holotype, Vertex (graph theory), Zoology, Taxonomy (biology)