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美蓝蚜蝇属二新种记述(双翅目,蚜蝇科)(英文) 被引量:1

TWO NEW SPECIES OF THE GENUS MELANGYNA VERRALL (DIPTERA,SYRPHIDAE) FROM CHINA,WITH A KEY TO KNOWN SPECIES OF CHINA
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摘要 在整理美蓝蚜蝇属标本时发现2新种:缺纹美蓝蚜蝇Melangyna evittata sp.nov.,秦岭美蓝蚜蝇Melangyna qinlingensis sp.nov.,模式标本保存于陕西理工学院资源生物重点实验室,文中列出中国已知种的检索表。缺纹美蓝蚜蝇,新种Melangyna evittata sp.nov.(图1 ~3)雌性 未知。♂体长12mm;翅长10mm。正模♂, 2004-05-05,陕西长安(太兴森林公园) ,霍科科采。本种近似于Melangyna olsufjevi Violovitsh,但新种颜面暗棕褐色,缺黑色条纹,各足胫节棕褐色,缺亚端暗色环。新种以颜面暗棕褐色,缺暗色条纹命名,取拉丁字e(x)-(失去)和(vittatus)(具条纹的)构成新种名。讨论新种颜面不具暗色条纹,符合亚属Meligramma特征,但后足基节后腹端角具毛簇,与该亚属特征不符;另一方面,后足基节后腹端角具黑色毛簇,符合亚属Melangyna特征,但颜面无黑色中条,与该亚属特征不符。所以其特征介于亚属Melangyna和Meligramma之间,其分类地位还有待进一步研究。秦岭美蓝蚜蝇,新种Melangyna qinlingensis sp.nov.(图4 ~11)雌性 未知。♂体长9.5mm;翅长9mm。正模♂, 2002-07-07,陕西眉县(太白山) ,霍科科采。本种近似于Melangyna olsufjevi Violovitsh,但新种复眼裸,颜面中条伸达触角基部,宽,小盾片被毛全黑色,足主要黑色,尾器不同。新种以模式产地命名。 Melangyna evittata sp. nov. and Melanyna qinlingensis sp. nov. are described and illustrated. A key to known species of Melangya in China is provided.
出处 《动物分类学报》 CSCD 北大核心 2007年第2期324-327,共4页 Acta Zootaxonomica Sinica
基金 This study was supported by Nature Science Foundation of Shaanxi Province(2004C115) Key Project of the Education Department of Shaanxi Province(04JS33) Science Research Project of Shaanxi University of Technology(SLG0427 ,SLGQD0402)
关键词 双翅目 食蚜蝇科 美蓝蚜蝇属 新种 中国 Diptera, Syrphidae, Melangyna, new species, China
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