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© Research
Publication : Comptes rendus biologies

Insect decline: immediate action is needed.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Comptes rendus biologies - 04 Feb 2021

Jactel H, Imler JL, Lambrechts L, Failloux AB, Lebreton JD, Maho YL, Duplessy JC, Cossart P, Grandcolas P,

Link to Pubmed [PMID] – 33621456

Link to DOI – 10.5802/crbiol.37

C R Biol 2021 Feb; 343(3): 267-293

Insects appeared more than 400 million years ago and they represent the richest and most diverse taxonomic group with several million species. Yet, under the combined effect of the loss of natural habitats, the intensification of agriculture with massive use of pesticides, global warming and biological invasions, insects show alarming signs of decline. Although difficult to quantify, species extinction and population reductions are confirmed for many ecosystems. This results in a loss of services such as the pollination of plants, including food crops, the recycling of organic matter, the supply of goods such as honey and the stability of food webs. It is therefore urgent to halt the decline of Insects. We recommend implementing long-term monitoring of populations, tackling the causes of insect decline by reducing the use of synthetic insecticides, preserving natural habitats, and reinventing a positive relationship between humans and insects.Apparus il y a plus de 400 millions d’années, les Insectes représentent le groupe taxonomique le plus riche et diversifié, avec plusieurs millions d’espèces. Sous l’effet de la disparition des habitats, de l’intensification de l’agriculture avec l’usage massif des pesticides, du réchauffement climatique et des invasions biologiques, les Insectes montrent des signes alarmants de déclin. Bien que difficiles à quantifier, la disparition des espèces et la réduction de leurs populations sont avérées et communes à de nombreux écosystèmes. Elles se traduisent par une perte des services rendus, comme la pollinisation des plantes vivrières, le recyclage de la matière organique, la fourniture de biens comme le miel, et l’équilibre des réseaux trophiques. Il est donc urgent de freiner le déclin des Insectes. Pour cela, il faut mettre en œuvre des suivis à long terme des populations, réduire l’usage des insecticides de synthèse, préserver les habitats naturels, et réinventer la relation de l’Homme à l’Insecte en revalorisant son image et ses usages.

https://pubmed.ncbi.nlm.nih.gov/33621456