Fossil evidence for sexual dimorphism in Monotomidae beetles from mid-Cretaceous Burmese amber

被引：6
作者：
Jiang, Rixin [1 ]
Liu, Zhenhua [2 ]
Wang, Shuo [1 ]
机构：
[1] Qingdao Univ Sci & Technol, Coll Marine Sci & Biol Engn, Qingdao 266042, Shandong, Peoples R China
[2] Sun Yat Sen Univ, Sch Life Sci, State Key Lab Biocontrol, Guangzhou 510275, Guangdong, Peoples R China
来源：
CRETACEOUS RESEARCH | 2019年 / 102卷
基金：
中国国家自然科学基金;
关键词：
Mesozoic; Coleoptera; Cucujoidea; Cretakarenniini; Cretakarenni; ROOT-EATING BEETLE; COLEOPTERA; INSECTA; GENUS;
D O I：
10.1016/j.cretres.2019.05.008
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
The male of Cretakarenni birmanicus Penis & Delclos, 2015 is reported from mid-Cretaceous Burmese amber. The male has distinct modifications on its head and a different tarsal formula from the female. These sexual dimorphisms are consistent with extant monotomid beetles, and suggests that sexual dimorphism in Monotomidae had already appeared in the Cretaceous period. (C) 2019 Elsevier Ltd. All rights reserved.
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页码：7 / 11
页数：5
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