Subfamily Anischiinae (Coleoptera: Eucnemidae) in Early Cretaceous of Northeast China.

Subfamily Anischiinae (Coleoptera: Eucnemidae) in Early Cretaceous of Northeast China.
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中国东北早白垩世的 Anischiinae 亚科(鞘翅目:Eucnemidae)

DOI:
10.3390/insects12020105
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发表时间:
2021-01-26
期刊:
影响因子:
3
通讯作者:
Ren D
Ren D
中科院分区:
农林科学2区
文献类型:
--
作者:
Li H;Chang H;Muona J;Zhao Y;Ren D

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一种新的假叩头甲虫(假叩头甲虫科),属于茴香亚科,以前不被称为化石,将这个现存的小群体的年龄延长了1.25亿年前。讨论了假点击甲虫幼虫的结构特殊化。根据这一新的古生物证据,表明这些昆虫至少两次改变了它们对寄主的偏好,从裸子植物到被子植物。这也表明甲虫幼虫可以通过适应不同的方式来改变他们所喜欢的发育基质,无论是有或没有形态专门化。描述了辽宁下白垩世山堇科山堇科山堇科山堇新种。该物种在早白垩世沉积物中的存在,为研究木质素拟真科基枝的演化提供了新的视角。在被子植物的主要辐射之前,山葵科和古葵科的物种都在裸子植物为主的世界中多样化。95%以上的现代真真蜈蚣幼虫具有古蜈蚣类高度修饰的头部结构,但与古蜈蚣类幼虫相反,它们在被子植物木材中发育。茴香科也利用被子植物,但它们的头囊没有这种修饰。这些事实证明,高度专门化的形态特征并不能为遥远的过去提供类似生活方式的明确证据,也不应将未修改的结构作为另一种基质选择的证据。拟真草科以两种完全不同的形态适应入侵被子植物。这一事实可能会对所有点击椭球体的进化产生影响。
A new false click-beetle (Eucnemidae) belonging to subfamily Anischiinae, formerly not known as fossils, extends the age of this small extant group 125 million years back. The structural specializations of the false click-beetle larvae are discussed. On the basis of this new piece of paleontological evidence, it is shown that these insects have changed their host preference from gymnosperms to angiosperms at least twice. It also indicates that the beetle larvae can switch their favored development substrate by adapting in different ways, either with or without morphological specialization. Rheanischia new genus, type species Rheanischia brevicornis new species (Eucnemidae, Anischiinae) is described from the Lower Cretaceous of Liaoning, China. The presence of this species in early Cretaceous deposits provides new insight into the evolution of basal lignicolous Eucnemidae clades. Both Anischiinae and Palaeoxeninae species diversified in a world dominated by gymnosperms, before the main radiation of angiosperms. More than 95% of modern eucnemid larvae have a Palaeoxenus-type highly modified head structure, but contrary to the Palaeoxenus larva, they develop in angiosperm wood. Anischiinae utilize angiosperms as well, but their head capsule shows no such modifications. These facts prove that highly specialized morphological features do not offer definite proof of similar way of life in the distant past, nor should non-modified structures be taken as proof for another kind of substrate choice. Eucnemidae have invaded angiosperms with two quite different morphological adaptations. This fact may have implications for the evolution of all clicking elateroids.
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发表时间: 2016-04-01
期刊: CLADISTICS
影响因子: 3.6
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DOI: 10.11646/palaeoentomology.3.4.12
发表时间: 2020-08-01
期刊: PALAEOENTOMOLOGY
影响因子: --
作者:
Li, Yan-Da;Tihelka, Erik;Cai, Chen-Yang
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DOI: 10.1649/1059.1
发表时间: 2008-12-01
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