The bees

They help agriculture and save biodiversity: a study rehabilitates wasps.

 

Bees are essential for biodiversity, but wasps are no exception. A scientific study carried out by the University College of London, the Universities of East Anglia and Florence tried to understand why humans have so much rejection for these animals. The work, published in the scientific journal Biological reviews, comes to a conclusion: it is the lack of knowledge about their role for ecosystems that has created it.

 

Bees are essential for biodiversity, but wasps are no exception. A scientific study carried out by the University College of London, the Universities of East Anglia and Florence tried to understand why humans have so much hatred for these animals. The work, published in the scientific journal Biological reviews, comes to a conclusion: it is ignorance of their role for ecosystems that has created it.

 

The work analyzed more than 500 scientific articles that studied more than 33,000 species of wasps. They are among the best predators of other insects such as aphids or caterpillars. A silent work, theirs, which translates into a crop protection activity that, according to scholars, is worth at least 416 billion dollars throughout the planet. Species of wasps whose specimens tend to be more solitary target a specific parasite, while species that actually live more socially organized are generalist predators. According to the study, these insects could be valued as “workers” who can help sustainability policies and the agricultural world, especially in developing countries and in those of the tropical area. The researchers noted that at least 960 plant species are pollinated by wasps (in total this practice, including the work of bees, has an economic weight in world agriculture of over 250 billion dollars every year). Of the almost one thousand species of plants, 164 are those that, for their pollination, completely depend on wasps: among these, even some orchids that have developed a particular adaptation for them, so much so that they have a shape capable of imitating the rear end. of a female wasp. “The value of wasps in supporting our crops remains poorly understood, we hope that by rehabilitating their bad reputation, we can collectively obtain the maximum value from these fascinating creatures,” explains Alessandro Cini, researcher co-author of the work. “Along with other insects, many wasp species are decreasing due to factors such as climate change and habitat loss,” says Ryan Brock, first author of the article. continue to benefit from the far-reaching ecosystem services provided by wasps. ‘

 

AniMall24.com

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