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Zoological Systematics 1981年第2期 167-173页

作者：李鸿昌内蒙古农牧学院昆虫教研室中国科学院动物研究所

皱膝蝗属(angaracris B.-Bienko,1930)已知记载有三种:鼓翅皱膝蝗***(Pall.)、红翅皱膝蝗***(F.-W.)和暗边皱膝蝗***.,主要分布于亚洲北部:苏联(西伯利亚南部和哈萨克斯坦北部),蒙古和中国(东北、北部、西部及青藏部分地区)。作者在鉴... 详细信息

皱膝蝗属(angaracris B.-Bienko,1930)已知记载有三种:鼓翅皱膝蝗***(Pall.)、红翅皱膝蝗***(F.-W.)和暗边皱膝蝗***.,主要分布于亚洲北部:苏联(西伯利亚南部和哈萨克斯坦北部),蒙古和中国(东北、北部、西部及青藏部分地区)。作者在鉴定我国内蒙古及其东西毗邻地区的蝗虫中,发现本属中另一新种,命名为:

关键词：红翅皱膝蝗暗色叶基部鼓翅皱膝蝗皱膝蝗属 angaracris 蝗科直翅目区系

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Comparison of the olfactory sensitivity of two sympatric steppe grasshopper species(Orthoptera:Acrididae)to plant volatile compounds

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Science China(Life Sciences) 2004年第2期47卷 115-123页

作者： CHEN Huhai ZHAO Yunxian KANG Le State Key Laboratory of Integrated Management of Pest Insects & Rodents Institute of Zoology Chinese Academy of Sciences Beijing 100080 China State Key Laboratory of Integrated Management of Pest Insects & Rodents Institute of Zoology Chinese Academy of Sciences Beijing 100080 China State Key Laboratory of Integrated Management of Pest Insects & Rodents Institute of Zoology Chinese Academy of Sciences Beijing 100080 China

Electroantennogram (EAG) responses of male and female Oedipodinae grasshop-pers, Oedaleus decorus asiaticus B.-Bienko and angaracris barabensis Pall to 37 plant volatile compounds were recorded. The two species have sympatric distribution and synchronous sea-sonal activity in Inner Mongolia Grasslands. They have different host plant preference with Oedaleus decorus asiaticus graminivorous and A. barabensis forbivorous. The EAG response profiles to 37 compounds of the two species and their both sexes were similar. Most of the green leaf volatiles elicited higher EAG responses in both species and sexes than terpenic compounds and some aromatic compounds. Strong EAG responses were elicited by 6-carbon alcohols (1-hexanol, Z-hexen-2-ol-1, E-2-hexen-1-ol, E-hexen-3-ol-1), aldehyde (E-2-hexen-1-al), ester (Z-hexen-3-yl acetate), and 7-carbon alcohols (1-heptanol) in both species and sexes. Monoterpenes with functional groups of alcohols and aldehydes were more stimulating than other monoterpenes tested. The sesquiterpenes tested elicited relatively low responses. Ben-zaldehyde elicited the highest responses for both species among aromatic components. Oedaleus decorus asiaticus showed higher EAG responses than A. barabensis to the green leaf volatiles, 1-decanol, 1-nonanol, 1-pentanol, hexanal, Z-hexen-3-yl acetate and to the sesquiter-penes (-)-trans-caryophyllene. Males have higher responses than females in Oedaleus decorus asiaticus. No sexual difference was observed in A. barabensis. Dose-dependent responses to six selected chemicals were observed from females. In both species, all the chemicals tested elicit EAG responses at concentration between 10-3 mol/L and 10-2 mol/L, except that the responses of A. barabensis to terpineol had a threshold concentration of 10-2 mol/L benzaldehyde and 1-hexanol had the highest slopes in dose curves, while 1-octen-3-ol showed the smallest slope in responses to the six chemicals tested. Comparative studies on the responses of two ant

关键词： electroantennogram, grasshoppers, Oedaleus decorus asiaticus, angaracris barabensis, plant volatile compounds, sympatric species.

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