Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Speciation Rates01:07

Speciation Rates

21.3K
Overview
21.3K
The Fossil Record02:56

The Fossil Record

25.3K
The fossil record documents only a small fraction of all organisms that have ever inhabited Earth. Fossilization is a rare process, and most organisms never become fossils. Moreover, the fossil record only exhibits fossils that have been discovered. Nevertheless, sedimentary rock fossils of long-lived, abundant, hard-bodied organisms dominate the fossil record. These fossils offer valuable information, such as an organism's physical form, behavior, and age. Studying the fossil record helps...
25.3K
The Evidence for Evolution02:55

The Evidence for Evolution

43.3K
Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.
43.3K
Genetics of Speciation02:16

Genetics of Speciation

19.4K
Speciation is the evolutionary process resulting in the formation of new, distinct species—groups of reproductively isolated populations.
19.4K
Mutation, Gene Flow, and Genetic Drift01:09

Mutation, Gene Flow, and Genetic Drift

59.2K
In a population that is not at Hardy-Weinberg equilibrium, the frequency of alleles changes over time. Therefore, any deviations from the five conditions of Hardy-Weinberg equilibrium can alter the genetic variation of a given population. Conditions that change the genetic variability of a population include mutations, natural selection, non-random mating, gene flow, and genetic drift (small population size).
59.2K
Genetic Drift03:33

Genetic Drift

40.5K
Natural selection—probably the most well-known evolutionary mechanism—increases the prevalence of traits that enhance survival and reproduction. However, evolution does not merely propagate favorable traits, nor does it always benefit populations.
40.5K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

<b>The first wood gnat (Diptera: Anisopodidae) from the Oligocene of Luberon (France)</b>.

Zootaxa·2026
Same author

<b>New insect assemblage from the early Oligocene in Ningming Basin, Guangxi, China</b>.

Zootaxa·2026
Same author

<b>The oldest representative of sciarid genus <i>Leptosciarella</i> (Diptera) from the lowermost Eocene amber of Oise (France)</b>.

Zootaxa·2026
Same author

<b>First Keroplatidae Robsonomyiini (Diptera: Sciaroidea) from the Lowermost Eocene Oise amber (France)</b>.

Zootaxa·2026
Same author

<b>Synchrotron X-ray tomography reveals a new genus of tropiduchid planthopper (Hemiptera: Fulgoromorpha) from Eocene Baltic amber</b>.

Zootaxa·2026
Same author

<b>Two new Paleogene insect fossil localities in southern Henan Province, central China</b>.

Zootaxa·2026

Related Experiment Video

Updated: Aug 18, 2025

A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles
10:23

A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles

Published on: July 11, 2025

174

Multiple drivers and lineage-specific insect extinctions during the Permo-Triassic.

Corentin Jouault1,2,3, André Nel4, Vincent Perrichot5

  • 1Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, CP50, 57 rue Cuvier, 75005, Paris, France. jouaultc0@gmail.com.

Nature Communications
|December 6, 2022
PubMed
Summary

The Permo-Triassic period saw three major insect extinction events, significantly impacting insect biodiversity. Floral changes were the primary driver, with herbivorous insects playing a central role in ecosystem dynamics.

More Related Videos

Light Sheet-based Fluorescence Microscopy of Living or Fixed and Stained Tribolium castaneum Embryos
10:15

Light Sheet-based Fluorescence Microscopy of Living or Fixed and Stained Tribolium castaneum Embryos

Published on: April 28, 2017

10.7K
An Experimental and Bioinformatics Protocol for RNA-seq Analyses of Photoperiodic Diapause in the Asian Tiger Mosquito, Aedes albopictus
12:10

An Experimental and Bioinformatics Protocol for RNA-seq Analyses of Photoperiodic Diapause in the Asian Tiger Mosquito, Aedes albopictus

Published on: November 30, 2014

13.4K

Related Experiment Videos

Last Updated: Aug 18, 2025

A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles
10:23

A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles

Published on: July 11, 2025

174
Light Sheet-based Fluorescence Microscopy of Living or Fixed and Stained Tribolium castaneum Embryos
10:15

Light Sheet-based Fluorescence Microscopy of Living or Fixed and Stained Tribolium castaneum Embryos

Published on: April 28, 2017

10.7K
An Experimental and Bioinformatics Protocol for RNA-seq Analyses of Photoperiodic Diapause in the Asian Tiger Mosquito, Aedes albopictus
12:10

An Experimental and Bioinformatics Protocol for RNA-seq Analyses of Photoperiodic Diapause in the Asian Tiger Mosquito, Aedes albopictus

Published on: November 30, 2014

13.4K

Area of Science:

  • Paleontology
  • Evolutionary Biology
  • Insect Ecology

Background:

  • The Permo-Triassic interval is marked by significant extinction events, including the most severe Phanerozoic biological crisis.
  • Terrestrial invertebrate responses, particularly for insects, to these events are not well understood.
  • Insect diversification dynamics and their ecological roles during this critical period require further investigation.

Purpose of the Study:

  • To quantify insect extinction patterns and their severity across three major Permo-Triassic extinction events.
  • To investigate the influence of abiotic and biotic factors, especially floral changes, on insect diversification.
  • To assess the role of diversity dependence and interaction networks among insect guilds.

Main Methods:

  • Analysis of fossil insect genera and extinction rates across the Roadian/Wordian, Permian/Triassic, and Ladinian/Carnian boundaries.
  • Correlation of insect extinction patterns with geological time, floral assemblage changes, and climate data.
  • Modeling of diversity dependence and interaction networks for insect guilds (herbivores, predators, etc.).

Main Results:

  • Three distinct insect extinction events occurred: Roadian/Wordian (64.5% genera extinct), Permian/Triassic (82.6% extinct), and Ladinian/Carnian (74.8% extinct).
  • Extinction impacts varied significantly across different insect clades.
  • Changes in floral assemblages emerged as the most potent driver of insect responses, with herbivores occupying a pivotal position in the interaction network.

Conclusions:

  • Permo-Triassic insect extinctions were severe and profoundly shaped the evolutionary trajectory of this lineage.
  • Floral shifts were key environmental drivers influencing insect survival and diversification.
  • Understanding insect guild interactions is crucial for reconstructing past ecosystem dynamics and resilience.