A new species, Chorthippus （Altichorthippus） choui sp. nov. from Sichuan Province in China, is described in this paper. The new species is similar to Chorthippus （Altichorthippus） changtunensis Yin, 1984, but it d...A new species, Chorthippus （Altichorthippus） choui sp. nov. from Sichuan Province in China, is described in this paper. The new species is similar to Chorthippus （Altichorthippus） changtunensis Yin, 1984, but it differs from the latter by： hind femur and tibia orange red, abdomen of male orange red at end and medial area of tegmen is 1.2 times cubital area. The new species is also similar to Ch. （Altichorthippus） tibetanus Uvarov, 1935, but differs from the latter by the lateral carinae of pronotum obvious and angulated in prozona, anterior and posterior transverse carinae not obliterated.展开更多
In this paper, a new species of Chorthippus xinyuanensis sp. nov. （Orthoptera： Arcypteridae） is described from Xinyuan County, west of Xinjiang, China. The new species is allied to Ch. foveatus Xia et Jin, 1982 and...In this paper, a new species of Chorthippus xinyuanensis sp. nov. （Orthoptera： Arcypteridae） is described from Xinyuan County, west of Xinjiang, China. The new species is allied to Ch. foveatus Xia et Jin, 1982 and Ch. longicornis （Latreille）, 1804. The type specimens are deposited in the Institute of Zoology, Shaanxi Normal University.展开更多
A new species Chorthippus （Altichorthippus） guozigouensis sp. nov. is described from the Xinjiang Uygur Autonomous Region of China. The new species is similar to Ch. （Altichorthippus） charpini Chang, 1939 and Ch. ...A new species Chorthippus （Altichorthippus） guozigouensis sp. nov. is described from the Xinjiang Uygur Autonomous Region of China. The new species is similar to Ch. （Altichorthippus） charpini Chang, 1939 and Ch. （Altiehorthippus）jishishanensis Zheng ＆ Xie, 2000, but males differ from both as follows.. length of fastigial foveolae about 3.00 times its width; antennae just not reaching the base of hind femur; apex of elytron extending to the posterior margin of seventh abdominal tergum; widest of costal area 0.67 times widest medial area; apex of hind wing extending to the middle of seventh abdominal tergum; anterior and posterior cubitus connate, cubital area obliterated; cercus reaching middle of epiproct; knee lobe brownish, not black; basal part of hind tibia brownish, not black. The type specimens are deposited in the Institute of Zoology, Shaanxi Normal University.展开更多
In this paper, a new species of the genus Chorthippus is described from North of Shaanxi Province, China, namely： Chorthippus wuqiensis sp. nov. The type specimens are deposited in the Institute of Zoology, Shaanxi N...In this paper, a new species of the genus Chorthippus is described from North of Shaanxi Province, China, namely： Chorthippus wuqiensis sp. nov. The type specimens are deposited in the Institute of Zoology, Shaanxi Normal University.展开更多
Abstract： In this paper, a new species of Chorthippus wenquanensis sp. nov. （Orthoptera： Arcypteridae） is described from the Northwest of Xinjiang Uygur Autonomous Region of China. The new species is allied to C. ...Abstract： In this paper, a new species of Chorthippus wenquanensis sp. nov. （Orthoptera： Arcypteridae） is described from the Northwest of Xinjiang Uygur Autonomous Region of China. The new species is allied to C. rufitibialus Zheng, Ma ＆ Wang 1996. It differs from the latter in male as follows： longitudinal diameter of eye 1.8-1.9 times subocular furrow; widest of pronotum between lateral carinae 2.0 times narrowest; arolium between claws small, slightly not reaching half length of claws; basal part of hind tibia yellowish brown, not black; claws pale blue in basal part. The type specimens are deposited in the Institute of Zoology, Shaanxi Normal University.展开更多
The population dynamics includes quantity dynamics,space dynamics and temporal dynamics. They are interdependent and mutually influential.Fuzzy cluster analysis was carried out with the data of mean densities,indices ...The population dynamics includes quantity dynamics,space dynamics and temporal dynamics. They are interdependent and mutually influential.Fuzzy cluster analysis was carried out with the data of mean densities,indices of patchiness and occupied plot rates of Chorthippus fallax (Zubovsky)on Ganjia High Mountain Grassland in Xiahe County,Gansu Province. The results showed that the population dynamics of this grasshopper could be divided into four distinct periods,i.e.,the initial stage of hatching and the last stage of adult,the peak stage of nymph,the initial stage of adult,and the peak stage of first nymph and the adult. The peak period of nymph was in the middle ten days to the last ten days of July. In this period,the eggs were completely hatched,the population was mainly composed of nymphs of 2 and 3 instars,and the population size was related to the numbers and harmful levels of this grasshopper in the same year.Therefore,this period was the key time for population prediction and chemical control.展开更多
文摘A new species, Chorthippus （Altichorthippus） choui sp. nov. from Sichuan Province in China, is described in this paper. The new species is similar to Chorthippus （Altichorthippus） changtunensis Yin, 1984, but it differs from the latter by： hind femur and tibia orange red, abdomen of male orange red at end and medial area of tegmen is 1.2 times cubital area. The new species is also similar to Ch. （Altichorthippus） tibetanus Uvarov, 1935, but differs from the latter by the lateral carinae of pronotum obvious and angulated in prozona, anterior and posterior transverse carinae not obliterated.
基金funded by the Shaanxi Key Discipline Construction Project of Ecology,National Natural Science Foundation of Shaanxi Province (2007C110)the Research Foundation of Shaanxi Education Department (07JK436)
文摘In this paper, a new species of Chorthippus xinyuanensis sp. nov. （Orthoptera： Arcypteridae） is described from Xinyuan County, west of Xinjiang, China. The new species is allied to Ch. foveatus Xia et Jin, 1982 and Ch. longicornis （Latreille）, 1804. The type specimens are deposited in the Institute of Zoology, Shaanxi Normal University.
基金funded by Shaanxi Key Discipline Construction Project of Ecology,National Natural Science Foundation of Shaanxi Province (2007C110)the Research Foundation of Shaanxi Education Department (07JK436)
文摘A new species Chorthippus （Altichorthippus） guozigouensis sp. nov. is described from the Xinjiang Uygur Autonomous Region of China. The new species is similar to Ch. （Altichorthippus） charpini Chang, 1939 and Ch. （Altiehorthippus）jishishanensis Zheng ＆ Xie, 2000, but males differ from both as follows.. length of fastigial foveolae about 3.00 times its width; antennae just not reaching the base of hind femur; apex of elytron extending to the posterior margin of seventh abdominal tergum; widest of costal area 0.67 times widest medial area; apex of hind wing extending to the middle of seventh abdominal tergum; anterior and posterior cubitus connate, cubital area obliterated; cercus reaching middle of epiproct; knee lobe brownish, not black; basal part of hind tibia brownish, not black. The type specimens are deposited in the Institute of Zoology, Shaanxi Normal University.
基金This work was supported by the National Natural Sciences Foundation of China(39391800) and the Natural Sciences Foundation of Shaanxi Province (2003C127)
文摘In this paper, a new species of the genus Chorthippus is described from North of Shaanxi Province, China, namely： Chorthippus wuqiensis sp. nov. The type specimens are deposited in the Institute of Zoology, Shaanxi Normal University.
基金funded by Shaanxi Key Discipline Construction Project of Ecology,National Natural Science Foundation of Shaanxi Province(2007C110)the Research Foundation of Shaanxi Education Department(07JK436)
文摘Abstract： In this paper, a new species of Chorthippus wenquanensis sp. nov. （Orthoptera： Arcypteridae） is described from the Northwest of Xinjiang Uygur Autonomous Region of China. The new species is allied to C. rufitibialus Zheng, Ma ＆ Wang 1996. It differs from the latter in male as follows： longitudinal diameter of eye 1.8-1.9 times subocular furrow; widest of pronotum between lateral carinae 2.0 times narrowest; arolium between claws small, slightly not reaching half length of claws; basal part of hind tibia yellowish brown, not black; claws pale blue in basal part. The type specimens are deposited in the Institute of Zoology, Shaanxi Normal University.
文摘The population dynamics includes quantity dynamics,space dynamics and temporal dynamics. They are interdependent and mutually influential.Fuzzy cluster analysis was carried out with the data of mean densities,indices of patchiness and occupied plot rates of Chorthippus fallax (Zubovsky)on Ganjia High Mountain Grassland in Xiahe County,Gansu Province. The results showed that the population dynamics of this grasshopper could be divided into four distinct periods,i.e.,the initial stage of hatching and the last stage of adult,the peak stage of nymph,the initial stage of adult,and the peak stage of first nymph and the adult. The peak period of nymph was in the middle ten days to the last ten days of July. In this period,the eggs were completely hatched,the population was mainly composed of nymphs of 2 and 3 instars,and the population size was related to the numbers and harmful levels of this grasshopper in the same year.Therefore,this period was the key time for population prediction and chemical control.
