多种中生代的虫携带花粉,在高精子到精子的植物宿主生态转变期间
Enrique Peñalver1, Constanza Peña-Kairath2,3, Eduardo Barrón1
1Instituto Geológico y Minero de España (IGME), CSIC, Ríos Rosas 23, 28003 Madrid, Spain.
iScience
|April 18, 2025
概括
来自白纪早期西班牙和缅甸珀的化石息物提供了古代体的昆虫授粉的直接证据. 这种古老的授粉行为表明,在开花植物之前,昆虫与植物的相互作用有着悠久的历史.
科学领域:
- 古生物学的古生物学
- 进化生物学 进化生物学
- 昆虫学 昆虫学是一门学科.
背景情况:
- 吉姆诺种的昆虫友传粉早于血管种,但大多数现代系统都涉及开花植物.
- (Insecta:Thysanoptera) 是已知的授粉者,化石证据可以追溯到白纪.
研究的目的:
- 为了提供直接的化石证据,证明有种子对体育种类的受粉和受粉.
- 为了描述新的化石息物种并分析它们的花粉负载.
- 为了推断三 - 种体相互作用的进化历史.
主要方法:
- 在早期白纪西班牙珀 (Albian) 和Cenomanian缅甸珀中保存的化石thrips标本的检查.
- 识别和分析与三标本相关的花粉粒.
- 新化石鱼物种的分类学描述,包括*Tethysthrips attenboroughi*.
主要成果:
- 在西班牙珀中发现了已灭绝的属 * Tethysthrips * 的四个三,其中一个标本携带了 * Cycadopites * 花粉.
- 在来自缅甸珀的三标本上发现了一种*Cycadopites*花粉负荷,属于Phlaeothripidae干群.
- 在西班牙的珀中描述了一种新物种 *Tethysthrips attenboroughi* (Thripidae家族).
结论:
- 这些发现说明了高精子-三胞体相互作用的古代阶段,可能有利于后来的血管精子授粉系统.
- 在相关的三家族 (Thripidae,Phlaeothripidae,Melanthripidae) 中没有现存的体种类授粉者,这表明随着时间的推移,它们与体种类的关系有所下降或贫穷.
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