桦蚜属一新种（同翅目：斑蚜科）  

A NEW SPECIES OF THE GENUS BETULAPHIS GLENDENNING FROM CHINA(HOMOPTERA:DREPANOSIPHIDAE)

作　　者：张万玉[1] 张广学[1] 田士波[1] 

机构地区：[1]中国科学院动物研究所,河北省农林科学院植保所

出　　处：《动物分类学报》1995年第4期464-468,共5页Acta Zootaxonomica Sinica

摘　　要：本文记述桦蚜属ＢｅｔｕｌａｐｈｉｓＧｌｅｎｄｅｎｎｉｎｇ，１９２６一新种，方斑桦蚜Ｂｅｔｕｌａｐｈｉｓｑｕａｄｒｕｌａａｐ．ｎｏｖ．，新种的模式标本保存在中国科学院动物研究所。Betulaphis quadrula sp. nov. (fig. 1)Apterous viviparous female: white in life, dorsum of thorax and abdomen with black sclerites. In mounted specimens mesonotum with a square shaped sclerite, on abdominal tergites 3-5 with a fused patch as fig. 1d. Cephalic hairs and abdominal hairs as fig. 1a, d ; antenna as fig. 1b. Ultimate rostral segment without accessory hairs. Cornicle with a hair at base. Cauda bearing 9 hairs. Anal plate bilobed, with 20 hairs.Measurements in mm: length of body 1. 648, width 0. 798; antenna 1.195, segments I-Ⅵ: 0. 062, 0. 049, 0. 494, 0. 227, 0. 185, 0. 124+0. 124; ultimate rostral segment 0. 063; cornicle length 0. 072, width 0. 052; cauda 0. 115; hind femur 0. 443, hind tibia 0. 711, 2nd hind tarsal joint 0. 103.Alate viviparous female; in mounted specimen head and thorax black, on abdominal tergites 3-6 with a fused patch as in fig. 2g. Cornicles brown. Fore wings with veins broad and black. Hairs on abdominal tergites as fig. 1m; antenna as fig. 1a., 3rd antennal segment with 18-22 secondary sensoria. Ultimate rostral segment with 2 accessory hairs.Cauda bearing 12-14 hairs. Anal plate bilobed, with 24-38 hairs.Measurements in mm: length of body 1. 894, width 0. 768; antenna 1. 853, segments I --Ⅵ: 0. 061, 0. 051, 0. 679, 0. 422, 0. 339, 0. 150+0. 151 ; ultimate rostral segment 0. 080; cornicle 0. 067; cauda 0. 118; hind femur 0. 500, hind tibia 1. 027, nd hind tarsal joint 0. 104.Apterous female sexuale: dorsum of head, pro- and mesonotum, 3rd-6th abdominal tergites with sclerites, brown or pale brown, 7th tergite with transverse band. Marginal hairs blunt or slightly capitate. Anal plate complete. Hind tibia with rounded scent plagues.The others same as the apterae.Measurements in mm: legth of body 2. 117, width 0. 820; antenna 1. 104, segments I -Ⅵ: 0. 063, 0. 048, 0. 367, 0. 204, 0. 182, 0. 120+0. 120; ultimate rostral segment 0. 070 ; cornicle 0. 042 ; cauda 0. 058 ; hind femur 0. 437, hind tibia 0. 722, 2nd hind tarsal joint 0. 103.Holotype: apt(rous viviparous female, N

关 键 词：同翅目 斑蚜科 桦蚜属 新种 

分 类 号：Q969.357.1[生物学—昆虫学]