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2:01 Over the last two decades, these yellow-and-black furred insects have experienced a 90% drop in abundance across the West. That’s according to research by Jonathan Koch , an entomologist at the U.S. Department of Agriculture in Logan, Utah. His data adds to a growing body of research with the same alarming findings. Western bumble bees perform critical pollination services for wild plants and cultivated fruits and vegetables. They are known as “buzz” pollinators – attaching to a plant’s pollen structure and vibrating their wings to release it. Many plants, including tomatoes and peppers, require this technique to spread their pollen.

United statesJonathan kochUs department of agricultureWildlife serviceEndangered speciesBumblebee watchEarth notesஒன்றுபட்டது மாநிலங்களில்ஜொனாதன் கோச்வனவிலங்கு சேவைஅருகிவரும் இனங்கள்பம்பல்பீ வாட்ச்பூமி குறிப்புகள்