Two new species of Dolerus Panzer(Hymenoptera:Tenthredinidae)from China  

中国六盘山麦叶蜂属二新种(膜翅目:叶蜂科)

作　　者：Gucheng XIA Meicai WEI 夏固成;魏美才(固原市六盘山林业局,宁夏泾源756401;江西师范大学生命科学学院,江西南昌330022)

机构地区：[1]Liupanshan Forestry Bureau of Guyuan City,Jingyuan,Ningxia 756401,China [2]College of Life Sciences,Jiangxi Normal University,Nanchang,Jiangxi 330022,China

出　　处：《Entomotaxonomia》2025年第1期96-102,共7页昆虫分类学报(英文)

基　　金：supported by the National Natural Science Foundation of China(32370500;31970447).

摘　　要：Two new species of Dolerinae from Mt.Liupan,Ningxia of China are described:Dolerus liupanicus Wei sp.nov.and D.xiai Wei sp.nov.Dolerus liupanicus is similar to D.purus Jakovlev,1891 but differs from it by the pronotum,tegula,mesoscutal middle lobe and the first abdominal tergum entirely black,the setae of apical sheath almost straight and extending outward at an angle of about 100 degrees,the alaspiculae of middle annuli very large,the middle serrulae each with about 14 to 15 small subbasal teeth.Dolerus xiai is similar to D.japonicus Kirby,1882 but differs from the latter by the fore wing deeply infuscate,the mesepisternum and legs entirely black,the setae on apical sheath blackish brown,the apical sheath in lateral view narrow and strongly tapering toward apex,the middle carina on mesoscutellar appendage not concave,the male abdomen with broad reddish brown rings,and the dorsal apical corner of penis valve convex.A key to species of Dolerinae from Mt.Liupan and nearby area is also provided.记述宁夏六盘山麦叶蜂属2新种:六盘麦叶蜂Dolerus liupanicus Wei sp.nov.和夏氏麦叶蜂D.xiai Wei sp.nov.。六盘麦叶蜂与大刻麦叶蜂Dolerus purus Jakowlew,1891近似,但前胸背板、翅基片、中胸背板前叶和腹部第1背板全部黑色,锯鞘缨毛较直,伸向外侧,夹角约为100度,锯腹片中部锯节翼突距很大,中部锯刃具14~15枚细小亚基齿等,与之不同。夏氏麦叶蜂与日本麦叶蜂Dolerus japonicus Kirby,1882近似,但前翅深烟褐色,中胸前侧片和足全部黑色,锯鞘缨毛黑褐色,锯鞘端窄长,端部尖,小盾片附片中纵脊较直,雄虫腹部具宽红环,阳茎瓣头叶背侧顶端突出等,与之不同。还编制了六盘山及邻近地区的麦叶蜂亚科分种检索表。

关 键 词：TENTHREDINOIDEA Dolerinae SAWFLIES TAXONOMY key 

分 类 号：Q969.42[生物学—昆虫学] Q969.54