四川九寨沟和甘南叶蜂二新种(膜翅目:叶蜂科)  

Two New Sawfly Species (Hymenoptera:Tenthredinidae) from Jiuzhaigou and Southern Gansu of China

作　　者：魏美才[1] 石福明[2] 

机构地区：[1]邵阳学院 [2]西南农业大学,重庆400716

出　　处：《Entomotaxonomia》2004年第4期293-298,共6页昆虫分类学报（英文）

基　　金：国家自然科学基金(30070627);霍英东教育基金(No.81023);教育部跨世纪优秀人才计划基金(2003)资助项目

摘　　要：记述四川九寨沟和甘肃南部山地分布的2个叶蜂新种:石氏钩瓣叶蜂MacrophyashiiWei,sp.nov.和黑刺齿唇叶蜂RhogogasternigrospinaWei,sp.nov.。模式标本保存于中南林学院昆虫标本室。Two new sawfly species are described from Jiuzhaigou, Sichuan and South Gansu of China. Types of the new species are deposited in the Insect Collection of Central South Forestry University, Zhuzhou, China. 1. Macrophya shii Wei, sp. nov. (Figs.1~3) Female body length 8.5 mm. Black, apex of labrum, transversal band in labrum, base of mandible, most of palpi, narrow margin of pronotum, two large spots in first abdominal tergite, tenth tergite, a large macula in outside of hind coxa, hind trochanters, anterior side of apex of fore and middle tibiae, dorsal 2/5 of hind tibia white. Stigma and veins black. Occipital carina fine and distinct; clypeus broader than lower distance between eyes, with anterior margin roundly incised to a depth of about 1/2 length of clypeus; frons not depressed; antenna slender and as long as head and thorax together, third segment slightly shorter than following two segments together; metepimeron without appendage. Frons and nearby of head densely and coarsely punctuated, upper 2/3 of mesepisternum extremely densely punctured, matt; first abdominal tergite polished except for sides. Anal cell in front wing with a short and erect cross vein. Claw without basal lobe, inner tooth slightly shorter than outer tooth. Sheath short and as long as hind basitarsus, with short hairs in dorsal view. Lancet with 26 oblique serrulae, serrula with 2 inner and 5~6 outer subbasal teeth. Holotype: ♀, Jiuzhaigou, 2 500 m, Sichuan Province, 16-Ⅶ-2001, WEI Mei-cai; Paratypes: 1♀, Rizegou, Jiuzhaigou, Sichuan Province, 03~04-Ⅷ-2002, SHI Fu-ming; 1♀, Weiyuan County, Gansu Province, 20-Ⅴ-1984, WANG Jin-chuan. This new species is close to Macrophya sibirica Forsius from Northeastern Asia, but differs from the latter in hind trochanters white, pronotum with white margin, the first abdominal tergite with two large white spots, frons and mesoscutellum densely and coarsely punctured. 2. Rhogogaster nigrospina Wei, sp. nov. (Figs. 4~7) Female body length 12.5 mm. Green with a few black maculae: antenna blac

关 键 词：叶蜂科 模式标本 昆虫标本 瓣叶 膜翅目 记述 新种 山地 甘南 保存 

分 类 号：Q969.542.6[生物学—昆虫学]