辽西义县组长节锯蜂科 (昆虫纲 ,膜翅目 )昆虫化石(英文)  

XYELID SAWFLIES (INSECTA, HYMENOPTERA) FROM THE UPPER JURASSIC YIXIAN FORMATION OF WESTERN LIAONING, CHINA

作　　者：张海春[1] 张俊峰[1] 

机构地区：[1]中国科学院南京地质古生物研究所,南京210008

出　　处：《古生物学报》2000年第4期476-492,共17页Acta Palaeontologica Sinica

基　　金：国家自然科学基金!(No .49832 0 2 0 );特殊学科点人才培养基金;国家重点基础研究发展规划!(No .G2 0 0 0 0 7770 0 );中国科学院

摘　　要：描述产自辽宁西部北票上园地区和凌源大王杖子义县组长节锯蜂科 (Xyelidae)巨长节锯蜂亚科(Macroxyelinae)昆虫化石 12种 ,归于 4族 8属 ,其中 6新属 12新种 ,包括Angaridyelarobustasp .nov .,An garidyelaexculptasp .nov .,Angaridyelasuspectasp .nov .,Angaridyelaendemicasp .nov .,Lethoxyelaexcurvagen .etsp .nov .,Lethoxyelavulgatagen .etsp .nov .,Ceratoxyeladecorosagen .etsp .nov .,Liaoxyelaantiquagen .etsp .nov .,Heteroxyelaignotagen .etsp .nov .,Sinoxyelaviriosagen .etsp .nov .,Isoxyelarudisgen .etsp .nov .和Xyeliteslingyuanensissp .nov .。Twelve species of Xyelidae (Insecta,Hymenoptera,Symphyta) are described from the Upper Jurassic Yixian Formation of Shangyuan,Beipiao and Dawangzhangzi,Lingyuan in western Liaoning Province,China.These sawflies are assigned to 8 genera of 4 tribes within the subfamily Macroxyelinae,with 6 genera 12 species recognized as new,including Angaridyela robusta sp.nov.,Angaridyela exculpta sp.nov.,Angaridyela suspecta sp.nov.,Angaridyela endemica sp.nov.,Lethoxyela excurva gen.et sp.nov.,Lethoxyela vulgata gen.et sp.nov.,Ceratoxyela decorosa gen.et sp.nov.,Liaoxyela antiqua gen.et sp.nov.,Heteroxyela ignota gen.et sp.nov.,Sinoxyela viriosa gen.et sp.nov.,Isoxyela rudis gen.et sp.nov.and Xyelites lingyuanensis sp.nov.The palaeoclimate is briefly discussed here.

关 键 词：昆虫钢 膜翅目 长节锯蜂科 古气候 义县组 化石 

分 类 号：Q91[天文地球—古生物学与地层学]