蚜小蜂科二新种（膜翅目:小蜂总科）  

TWO NEW SPECIES OF APHELINIDAE (HYMENOPTERA:CHALCIDOIDEA) FROM NORTHEASTERN REGION OF CHINA

作　　者：李成德[1] 

机构地区：[1]东北林业大学

出　　处：《东北林业大学学报》1996年第6期98-101,共4页Journal of Northeast Forestry University

基　　金：黑龙江省自然科学基金

摘　　要：记述了东北地区蚜小蜂科的两新种。１．杨圆蚧黄蚜小蜂Ａｐｈｙｔｉｓｑｕａｄｒａｓｐｉｄｉｏｔｉ新种。该种具有典型的ｍｙｔｉｌａｓｐｉｄｉｓ种团的特征，与Ａ．ｍｙｔｉｌａｓ－ｐｉｄｉｓ较相近，但本新种：（１）产卵器及产卵器鞘较长；（２）前翅三角区内刚毛明显多（９２～１４０根）；（３）并胸腹节长约为后胸背板的３．２０～３．８７倍。雄性未知。正模：♀，副模：８♀♀，黑龙江（海伦），１９８６－０６－１５；副模：５♀♀，哈尔滨市，１９８８－０６－１０；均由作者从杨圆蚧［Ｑｕａｄｒａｓｐｉｄｉｏｔｕｓｇｉｇａｓ（ＴｈｉｅｍｅｔＧｅｒｎｅｃｋ）［二龄固定若虫中饲养而得。２．杨绵蚧食蚧蚜小蜂Ｃｏｃｃｏｐｈａｇｕｓｐｓｅｕｄｏｐｕｌｖｉｎａｒｉａｅ新种。该种属ｌｙｃｉｍｎｉａ种团，与Ｃ．ｐｕｌｖｉｎａｒｉａｅ非常相近，但本新种：（１）前翅缘脉略短于亚缘脉，后缘脉短于痣脉：（２）中足基跗节明显短于其余４跗节之和；（３）产卵器始于腹端近三分之一处；（４）头部黑褐色，触角褐色。雄性未知，正模：♀，副模：１０♀♀，黑龙江（阿城），１９９３－０６－１５。全部标本均由作者从杨树上杨绵蚧ＰｕｌｖｉｎａｒｉａｃｏｓｔａｔａＢｏｒｃｈｓ中饲养而?Two new species of Aphelinidae from Northeastern part of China are described in the present paper All the type specimens are deposited in Northeast Forestry University (1 ) Aphytis quadraspidioti Li, sp nov The new species possesses typical characters of mytilaspidis group, and closely related with A mytilaspidis, but can be seperated by the latter from the following combination of characters: ovipositor and ovipositor shaeths longer; conspicuously more setae(92～140) in delta area; propodum 3 20～3 87 times as long as metanotum Male: Unknown Holotype ♀,Paratypes 8♀♀,Hailun,Heilongjiang, 1986-06-15, ex Quadraspidiotus gigas (Thiem et Gerneck); Paratypes 5♀♀,Harbin, 1988-06-10, ex from the same host (2) Coccophagus pseudopulvinariae Li,sp nov The new species belongs to lycimnia group and more closely related with C pulvinariae, but can be seperated by the following combination of characters: marginal vein of fore wing slightly shorter than submarginal vein; postmarginal vein shorter than stigmal vein; middle basitarsus conspicuously shorter than the following segments combined; ovipositor as seen through the derm arises near the apical third of abdomen; head blackish brown and antennae brown Male: Unknown Holotype ♀,Paratypes 10♀♀,Acheng, Heilongjiang, 1993-06-15, ex Pulvinaria costata Borchs

关 键 词：蚜小蜂科 黄蚜小蜂属 食蚧蚜小蜂属 分类 新种 

分 类 号：Q969.545.3[生物学—昆虫学]