云南根粉蚧属一新种记述(半翅目,粉蚧科,根粉蚧亚科)  

A NEW SPECIES OF GENUS RHIZOECUS KUNCKEL D'HERCULAIS FROM YUNNAN,CHINA(HEMIPTERA,PSEUDOCOCCIDAE,RHIZOECINAE)

作　　者：武三安[1] 刘锦[1] 

机构地区：[1]北京林业大学省部共建森林培育与保护教育部重点实验室,北京100083

出　　处：《动物分类学报》2008年第1期141-142,共2页Acta Zootaxonomica Sinica

基　　金：国家自然科学基金(30670235)资助课题

摘　　要：报道采自云南勐腊的根粉蚧属1新种:三裂根粉蚧Rhizoecus tricirculus sp.nov.。新种在形态上与日本种Rh.avenoides Takagi&Kawai,1971相近,但新种腹脐3个,且缺管腺。模式标本保存在北京林业大学森林保护系昆虫标本室。A new species collected from Yunnan Province is described and illustrated. All type specimens arc deposited in the Insect Collections of Department of Forestry Protection, Beijing Forestry University. Rhizoecus tricirculus sp. nov. （Fig. 1 ） The adult female body elongate-oval, 0.63- 0.69mm long, 0.31-0.44mm wide. Antennae 6- segmented, about 0. 12 mm long, terminal segment with 2 sickle-like fleshy hairs. Eyes present. Three pairs of legs developed. Two pairs of ostioles. Three circuli truncate-conical, situated within abdominal sternites Ⅱ- Ⅳ. Anal ring with outer and inner ceils and 6 setae. Anal lobes protrudent, with 2 dorsal and 1 ventral setae. Trilocular pores evenly-distributed both surfaces of body.Multilocular disc pores present in abdominal sternites Ⅳ-Ⅸ. Simple tubular duct absent. Tritubular pores fairly numerous, distributed on all dorsal surface except submedian area of tergite Ⅴ- Ⅷ. Holotype ♀, Mengla County （ 21.29°N, 101.33°E）, Yunnan Province, January of 1993. Paratypes 5 ♀♀, Mengla County, Yunnan Province, from January of 1993 to January of 1994. All type specimens are collected with TuUgren funnel method. Remarks. This new species doses to Rh. avenoides Takagi ＆ Kawai, 1971, but can be easily distinguished by with 3 circuli and absence of simple tubular duct. Etymology. The species name ＂tricirculus＂ means three circuli.

关 键 词：根粉蚧 新种 云南 

分 类 号：Q969[生物学—昆虫学]