New fossil Xyelidae (Insecta, Hymenoptera) from the Lower Cretaceous Yixian Formation of northeast China

被引：2
|
作者：
Dai, Liyang [1 ,2 ]
Rasnitsyn, Alexandr P. [3 ,4 ]
Shih, Chungkun [1 ,5 ]
Wang, Mei [2 ]
Ren, Dong [1 ]
机构：
[1] Capital Normal Univ, Coll Life Sci, 105 Xisanhuanbeilu, Beijing 100048, Peoples R China
[2] Chinese Acad Forestry, Inst Forest Ecol Environm & Nat Conservat, Key Lab Forest Protect, Natl Forestry & Grassland Adm, Beijing 100091, Peoples R China
[3] Russian Acad Sci, Palaeontol Inst, 123 Profsoyuznaya ul, Moscow 117647, Russia
[4] Nat Hist Museum, Dept Palaeontol, Cromwell Rd, London SW7 5BD, England
[5] Smithsonian Inst, Dept Paleobiol, Natl Museum Nat Hist, Washington, DC 20013 USA
来源：
CRETACEOUS RESEARCH | 2022年 / 137卷
基金：
中国国家自然科学基金;
关键词：
Brachyoxyela; Huangbanjigou; Macroxyelinae; New species; Sandaogou; INNER-MONGOLIA; ECOSYSTEMS; SAWFLIES; AGE;
D O I：
10.1016/j.cretres.2022.105249
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Three new species, Brachyoxyela conjunctiva sp. nov., Brachyoxyela leei sp. nov. and Brachyoxyela elliptica sp. nov., in the tribe Macroxyelini, subfamily Macroxyelinae of the family Xyelidae, are described and illustrated. All type specimens were collected from the Lower Cretaceous (BarremianeAptian) Yixian Formation. Brachyoxyela conjunctiva sp. nov. and Brachyoxyela leei sp. nov. were from Huangbanjigou, Beipiao City, Liaoning Province, China, and Brachyoxyela elliptica sp. nov. from Sandaogou, Duolun County, Inner Mongolia, China. These specimens are assigned to a previously erected genus Brachyoxyela Gao, Zhao and Ren, 2011 based on the characters: vein Sc joining R distad origin of Rs and antenna with thread (terminal part of flagellum distal to the enlarged first flagellomere) longer than the first flagellomere. A key to species of Brachyoxyela is provided.(c) 2022 Elsevier Ltd. All rights reserved.
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页数：8
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