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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.
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%.
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".
The winged insects fall into the order Hymenoptera, which includes bees and ants. Wasps come in a variety of colors — from yellow and black to red and blue — and are split into two primary ...
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Tulare Lake (/ t ʊ ˈ l ɛər i / ⓘ) or Tache Lake (Yokuts: Pah-áh-su, Pah-áh-sē) is a freshwater lake in the southern San Joaquin Valley, California, United States. Historically, Tulare Lake was once the largest freshwater lake west of the Mississippi River . [ 2 ]
A "bee invasion" halted play on a court at the BNP Paribas Open tennis tournament in California on Thursday, and video showed the insects swarming over a camera lens and buzzing around players.
The "typical" color pattern of female californicus is black with only a single strong yellow band anteriorly on the thorax, and another single yellow band near the apex of the abdomen; males exhibit considerably more variation. [1] Bombus californicus nests in the ground, [7] in wooded areas, [1] and in urban areas. [8]