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Pollinator decline is the reduction in abundance of insect and other animal pollinators in many ecosystems worldwide that began being recorded at the end of the 20th century. Multiple lines of evidence exist for the reduction of wild pollinator populations at the regional level, especially within Europe and North America.
The carpenter bees are attracted to the floral scents of the honey produced by the honey bees; X. californica may come near or inside their hives and get attacked by the hive resulting in the death of the carpenter bee. [16]
They have been found from the Mediterranean California all the way up to the Tundra regions of Alaska, making them one of the bees with the widest range geographic range. [4] However, recently there has been a noticeable decline in population. [5] In the past decade, the population of B. occidentalis has dropped by around 40.32%.
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Starting in 2006, California almond growers began to suffer losses due to colony collapse disorder, a poorly understood phenomenon resulting in the decline of bee populations. [2] While this increased pollination expenses for many growers, high demand for almonds created an incentive to transport bees from across the United States to California.
A Southwest flight from Orange County, California, to Oakland International Airport on September 30 was delayed due to a swarm of bees on one of the plane’s wings.A passenger, who did not wish ...
Studies finding insect decline have been available for decades—one study tracked a decline from 1840 to 2013—but it was the 2017 re-publication of the German nature reserves study [1] that saw the issue receive widespread attention in the media. [4] [5] The press reported the decline with alarming headlines, including "Insect Apocalypse".