【摘要】 <正> 洼头小蜂属Kriechbaumerella Dalla Torre,1897隶属于截胫小蜂亚科Haltichellinae,截胫小蜂族Haltichellini。异名有Eucepsis Steffan,1953。本属特征为:头部侧单眼几乎位于头部顶端;触角洼深凹;眶前隆线显著,沿复眼内缘横伸达中单眼的上方。触角细长。胸部密生刻点;前胸背板隆线仅存在于两侧,背部呈圆形;小盾片顶端具2齿。后足腿节腹外缘具3个叶突,着生梳状小齿。全世界已知约16种。我国过去仅见属的记录,种类研究未有报道。本文记述3新种,均寄生于马尾松毛虫或其他蛾类蛹聚寄生。模式标本藏浙江农业大学植物保护系生物防治研究室。更多还原

【Abstract】 The present paper deals with three new species of Kriechbaumerella Dalla Torre collected from China.The type specimens are deposited in the Laboratory of Biological Control,Department of Plant Protection,Zhejiang Agricultural University.1.Kriechbaumerella fuscicornis Qian et Li,sp.nov.Length 6.4mm,5.4-6.1mm.It is similar to K.cordigaster(Roy et Farooqi),but differs from the latter in female by reddish brown hind legs;scutellum with narrow interspaces of pits;forewings with post-marginal vein slightly longer than 1.5 times of the marginal;first tergite less than half of the gaster.Holotype.Allotype.Paratype.1 10 Sichuan prov,ex pupa of Dendrolimus punctatus,1980,by Sichuan Forestry Institute.2.Kriechbaumerella nigricornis Qian et He,sp.nov.Length 5.8-6.9mm,4.4-5.5mm.Closely related to K.fuscicornis,but in female antennae almost blackish forewings faintly smoky,with brown patch narrower interspaces of pits on pronotum than on mesoscutum and scutellum in male genoforceps with five digitus dents.Holotype:Allotype,0% Zhejiang(Dinghai),ex pupa of Dendrolimus punctatus,Ⅷ 1986,by He Junhua.Paratype,203 107(33 11 Zhejiang(Dinghai),Ⅷ1986,7 Zhejiang(Changshan),mid-Ⅷ 1955,7 Zhejiang(Jinhua),1.1986,39 9 Zhejiang(Quzhou),Ⅷ 1986,1 Zhejiang(Longyou),18Ⅶ 1984,50,Zhejiang(Jiangshan),29.Ⅸ.1986,30,Zhejiang(Lanxi),26.Ⅶ.1986,5 Zhejiang(Yuhang),12.X.1982,1,Zhejiang(Tiantai),Ⅷ.1986,11 9,Zhejiang(Lishui),14.Ⅵ 1986,30 15 Zhejiang(Jin-yun),mid-Ⅷ 1986,all the above specimens were reared from pupae of Dendrolimus punctatus,by He Junhua.2 1,Zhejiang(Changshan),17.Ⅸ 1954,by Lin Lianxin,5 2 Zhejiang(Quzhou),*Ⅶ 1985,by Wang Jinyou,8 3,Zhejiang(Quzhou),25.Ⅶ.1986,by Weng Jian-kang,9,Zhejiang(Jiangshan),8.Ⅷ 1983,by Zhou Xiaoying,4 1,Zhejiang(Tian Mu Mountain),Ⅸ.1982,by Wang Changsong,11 1,Zhejiang(Tiantai),1983,by Forestry Bureau,1 1,Zhejiang(Son-gyang),3.Ⅷ 1986,by Chen Hanlin,8 3 Nanjing,Ⅴ-Ⅷ.1954,by Qiu Yisan,3 1,Anhui(Dongzhi),1982,by Cha Guangji,3 lHunan(Liuyang),15.Ⅷ.1983,by Tong Xinwang,1 3,Hunan(Shao-shan),a.1972,by Tong Xinwang,8 2,Hubei(Wuchang),9.1.1983,by Gong Naipei;all the above specimens were reared from pupae of Dendrolimus punciatus.1 1 Fujian(Ningde),ex pupa of Dendrolimus houi,1986,by Jiang Yeqin.3 1 Yunnan(Gejiu),ex pupa of Dendrolimus punctatus wenshanensis,1981,by Li Guoxiu.3 1,Sichuan,ex pupa of Dendrolimus sp.,1959,by Sichuan Forestry Institute).3.Kriechbaumerella longiscutellaris Qian et He,sp.nov.Length 7.4-9.4mm,6.0-7.2mm.Close to K.longigaster(Roy et Farooqi),but may be distinguished from the latter in female by the following characters.(1)antennae,tegulae and hind legs black,not reddish,(2)flagellum about 1.8 times of scape,not 1.5 times,(3)club as long as the two preceding segments together,not shorter.Holotype.Allotype,Zhejiang(Songyang),ex pupa of Eriogyna pyretorum,8.Ⅷ 1985,by Chen Hanlin.Paratype.45 6(7 1,Nanjing,ex pupa of Eriogyna pyretorum,Ⅴ.1974.by Zou Zhonglin.5 Zhejiang(Yuhang),30.Ⅶ.1982,by Chen Ying,1,Zhejiang(Hang-zheu),12.Ⅵ.1958,by Hu Cui,1,Zhejiang(Hangzhou),Ⅸ 1977,by He Junhua,1,Zhejiang(Hangzhou),21.Ⅴ.1983,by He Junhua? 1 Zhejiang(Hangzhou),25.Ⅵ 1983,by Zhu Kunyan;1,Zhejiang(Fu-yang),10.1.1933,by Zhu Ruzuo(Chu Joo-tso);2,Zhejiang(Shao-xing),2.1.1933,by Zhu Ruzuo(Chu Joo-tso);13,Zhejiang(Lan-xi),ex pupae of Philosamia cynthia,10.V.1986,by Chen Zhongzhe;1,Zhejiang(Quzhou),ex pupa of Dendrolimus punctatus,13.Ⅴ.1985,by Shen Lirong;2 1,Zhejiang(Suichang),ex pupae of Dendrolimus houi,Ⅷ.1933,by Zhu Ruzuo(Chu Joo-tso);3,Zhejiang(Lishui),ex pupae of Cerura menciana Moore,17.Ⅴ.1976,by He Junhua;2,same as Holo type;3 1,Fujian(Fuzhou),ex pupae of Eriogyna pyretorum,14.X.1982,1.1.1984,by Lin Yulan;1,Guangdong(Conghua),lat-Ⅵ 1978,by He Junhua 1 1,Guangdong,ex pupae of Eriogyna pyretorum,Ⅵ.1935,by Zhu Ruzuo(Chu Joo-tso),1,Guizhou(Yuqing),31.Ⅴ.1979,by Xu Chungui.更多还原