Nature crisis: Moths have 'secret role' as crucial pollinators



Nature crisis: Moths have 'secret role' as crucial pollinators

Joker2020

13 Май 2020 в 08:19am
Long seen as annoying creatures that can leave holes in your clothes, moths have been badly misjudged, say scientists.
New research suggests they play a vital role as overnight pollinators of a wide กลุ่มลับไลฟ์สด18+ range of flowers and plants.
The study says that the moths' transport networks are larger and more complex than those of daytime pollinators like bees.
The authors believe there is an urgent need to stem declines in moth numbers.
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Over the past decade, public anxiety about the role of our pollinators has focused squarely on bees.
The fall-off in their numbers, linked to changes in land and widespread use of pesticides, has helped raise environmental awareness of the critical role these creatures play in the food chain.
Moths, though, have not evoked similar sympathies.
"There's this big สมัครแทงบอล
misconception that all moths come and eat my clothes. That's not what happens at all," said Dr Richard Walton, from University College London (UCL), the lead author of the new study.
A large white moth feeding on red campion
"Some of them happen to be visiting flowers and can be an important part of the pollination process."
To find out how vital a part the moths play, Dr Walton and colleagues monitored moth activity around ponds in agricultural areas of Norfolk.
They found that 45% of the moths they tested were transporting pollen, which originated from 47 different plant species, including several that were rarely เว็บบาคาร่าออนไลน์ visited by bees, hoverflies and butterflies.
The scientists found that while bumblebees and honeybees are critically important, they tended to target the most prolific nectar and pollen sources. Not so with moths.
"From what we see from our work, moths tend to be generalists, meaning they're not specifically visiting a narrow group of flowers," said Dr Walton.
"They're kind of visiting any type of flower that they can access. These tend to be the open cup-shaped flowers like bramble, they can access things from the legume family, the clover family was also very important."
Hairy bodies
Previous studies on moths have tended to focus on their ability to transport pollen via their proboscis or nose. This new work looked at the pollen collected on the moths' distinctly hairy bodies when they sit on flowers while feeding.

MAx

21 Сен 2020 в 10:36am
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MAx

10 Окт 2020 в 08:12am
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ortiz wilder

14 Окт 2020 в 11:55am
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