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The first larval record of Migadopinae (Coleoptera: Adephaga: Carabidae) from mid-Cretaceous Kachin amber, northern Myanmar
Liu, Hua1,2,3; Beutel, Rolf G.4; V. Makarov, Kirill5; Jarzembowski, Edmund A.2,3; Xiao, Chuantao1; Luo, Cihang(罗慈航)2,3,6
2023-02-01
Source PublicationCRETACEOUS RESEARCH
ISSN0195-6671
Volume142Pages:11
Abstract

A new genus and species of Carabidae (Coleoptera: Adephaga), Cretomigadops bidentatus gen. et sp. nov., is described based on a well-preserved specimen from mid-Cretaceous Kachin amber from northern Myanmar. It is a first instar shortly after hatching, with distinct, elongate frontal eggbursters and a disproportionally large head. Cretomigadops bidentatus gen. et sp. nov. displays typical adephagan fea -tures and is classified as a larva of Carabidae based on a strongly sinuate frontal suture. It is assigned to Migadopinae based on characters of the head, especially the presence of two acute subapical mandibular teeth. It differs from other known genera of this small subantarctic subfamily by its long urogomphus, elongate legs with equal pretarsal claws and a long abdominal segment X. It is the first definite Mesozoic larval record of Carabidae from amber. Differences between C. bidentatus gen. et sp. nov. and four other fossil caraboid larvae are also discussed. The mandibles with a falcate apical tooth and two additional sharp subapical teeth indicate that C. bidentatus gen. et sp. nov. was a specialized active predator and good at grasping and piercing small arthropods. The elongate and articulated urogomphi, the long legs, the well-developed stemmata and the pigmented cuticle indicate that the larva was a surface runner, moving mostly on the soil surface and hunting more or less fast-moving prey. In contrast to the sub-antarctic distribution of Migadopinae, C. bidentatus gen. et sp. nov. preserved in Burmite shows that the distribution range of the subfamily was wider in the Mesozoic.(c) 2022 Elsevier Ltd. All rights reserved.

KeywordColeoptera Carabidae Migadopinae Mid-Cretaceous Myanmar New species
DOI10.1016/j.cretres.2022.105413
Indexed BySCI
Language英语
WOS KeywordSYSTEMATIC POSITION ; INSECTA COLEOPTERA ; RHYSODIDAE ; CHARACTERS ; PHYLOGENY ; SYNOPSIS
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDB26000000] ; National Natural Science Foundation of China[42125201] ; National Natural Science Foundation of China[42288201] ; Second Tibetan Plateau Scienti fic Expedition and Research[2019QZKK0706] ; CAS President's International Fellowship Initiative (PIFI) ; UNESCO-IUGS IGCP Project[679]
WOS Research AreaGeology ; Paleontology
WOS SubjectGeology ; Paleontology
WOS IDWOS:000895312200004
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; Second Tibetan Plateau Scienti fic Expedition and Research ; CAS President's International Fellowship Initiative (PIFI) ; UNESCO-IUGS IGCP Project
PublisherACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/41580
Collection中国科学院南京地质古生物研究所
Corresponding AuthorXiao, Chuantao; Luo, Cihang(罗慈航)
Affiliation1.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 & Paleoenvironm, 39 East Beijing Rd, Nanjing 210008, Chin, Myanmar
4.Friedrich Schiller Univ Jena, Inst Zool & Evolut Forsch, D-07743 Jena, Germany
5.Moscow State Pedag Univ, Zool & Ecol Dept, Kibalchicha Str 6, Build 3, Moscow 129164, Russia
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Corresponding Author AffilicationNanjing Institute of Geology and Palaeonotology,CAS
Recommended Citation
GB/T 7714
Liu, Hua,Beutel, Rolf G.,V. Makarov, Kirill,et al. The first larval record of Migadopinae (Coleoptera: Adephaga: Carabidae) from mid-Cretaceous Kachin amber, northern Myanmar[J]. CRETACEOUS RESEARCH,2023,142:11.
APA Liu, Hua,Beutel, Rolf G.,V. Makarov, Kirill,Jarzembowski, Edmund A.,Xiao, Chuantao,&Luo, Cihang.(2023).The first larval record of Migadopinae (Coleoptera: Adephaga: Carabidae) from mid-Cretaceous Kachin amber, northern Myanmar.CRETACEOUS RESEARCH,142,11.
MLA Liu, Hua,et al."The first larval record of Migadopinae (Coleoptera: Adephaga: Carabidae) from mid-Cretaceous Kachin amber, northern Myanmar".CRETACEOUS RESEARCH 142(2023):11.
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