Cretoloricera electra gen. et sp. nov., the oldest record of Loricerini (Coleoptera: Adephaga: Carabidae: Loricerinae) from mid-Cretaceous Kachin amber

被引：4
作者：
Liu, Hua [1 ,2 ,3 ]
Makarov, Kirill V. [4 ]
Jarzembowski, Edmund A. [2 ,3 ]
Xiao, Chuantao [1 ]
Luo, Cihang [2 ,3 ,5 ]
机构：
[1] Yangtze Univ, Sch Geosci, Wuhan 430100, Hubei, Peoples R China
[2] Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, 39 East Beijing Rd, Nanjing 210008, Peoples R China
[3] Chinese Acad Sci, Ctr Excellence Life & Paleoenvironment, 39 East Beijing Rd, Nanjing 210008, Peoples R China
[4] Moscow State Pedag Univ, Zool & Ecol Dept, Kibalchicha Str 6,Build 3, Moscow 129164, Russia
[5] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
CRETACEOUS RESEARCH | 2023年 / 148卷
基金：
中国国家自然科学基金;
关键词：
Coleoptera; Carabidae; Loricerini; Mesozoic; Myanmar; New taxon; MORPHOLOGICAL STASIS; PHYLOGENETIC-RELATIONSHIPS; BALTIC AMBER; SETAL TRAP; BEETLE; PILICORNIS;
D O I：
10.1016/j.cretres.2023.105540
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
A new genus and species of Carabidae (Coleoptera: Adephaga), Cretoloricera electra gen. et sp. nov., is described based on a well-preserved specimen from mid-Cretaceous Kachin amber. C. electra gen. et sp. nov. can be assigned to Loricerini (the only tribe of Loricerinae) by its robust and strongly protracted maxilla with a highly modified galea; strongly serrate retinaculum; plurisetose ligula; nasale with prominent teeth, lack of lacinia, penicillus, cervical and ocular grooves. It differs from all species of Loricera Latreille, 1802 by its unique combination of characteristics: terminal galeomere bearing an extremely elongate process, thin 'glass'-like exudation covering the 2nd galeomere, strongly elongate tarsi with an unusual chaetotaxy, seta UR9 obviously shorter than setae UR7 and UR8. C. electra gen. et sp. nov. is the oldest known larva of Loricerinae to date but already exhibits morphological adaptions to springtail predation. We briefly discuss the lifestyle of Cretoloricera based on its morphological charac-teristics. The similarities and differences between C. electra gen. et sp. nov. and the other two groups of carabid collembolan specialists are also discussed. (c) 2023 Elsevier Ltd. All rights reserved.
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页数：8
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