A new mesoserphid wasp from the Middle Jurassic of northeastern China (Hymenoptera, Proctotrupoidea)

被引:2
作者
Zheng, Yan [1 ]
Chen, Jun [1 ,2 ]
机构
[1] Linyi Univ, Inst Geol & Paleontol, Shuangling Rd, Linyi 276000, Peoples R China
[2] Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, East Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
来源
EUROPEAN JOURNAL OF TAXONOMY | 2017年 / 379卷
基金
中国博士后科学基金; 中国国家自然科学基金;
关键词
Mesoserphidae; new taxon; taxonomy; Daohugou; Jiulongshan Formation; INNER-MONGOLIA; INSECTA; DRAGONFLIES; DAOHUGOU; ODONATA; BIOTA;
D O I
10.5852/ejt.2017.379
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
A new genus and species of Mesoserphidae (Hymenoptera), Juraserphus modicus gen. et sp. nov., is described based on a well-preserved fossil specimen from the Middle Jurassic Jiulongshan Formation of northeastern China. It is characterized by the following forewing features: the forking of Rs+M located approximately one-third of the distance between 1m-cu and 2r-rs, both 1cu-a and 2cu-a antefurcal; 1-M more than twice as long as 1m-cu and hind wing with cells r and rm closed. In addition, it has a short ovipositor, only extending slightly beyond the metasomal apex. Its new morphological characters broaden the diversity of Mesoserphidae in the Mesozoic and provide new insights into the evolution and relationships of Mesoserphidae.
引用
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页码:1 / 8
页数:8
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