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Insects with population trends documented by the International Union for Conservation of Nature, for orders Collembola, Hymenoptera, Lepidoptera, Odonata, and Orthoptera. A 2020 meta-analysis found that globally terrestrial insects appear to be declining in abundance at a rate of about 9% per decade, while the abundance of freshwater insects appears to be increasing by 11% per decade.
Pollinator decline is the reduction in abundance of insect and other animal pollinators in ... In a less extreme scenario wherein only 50% of pollinators die off ...
This is distinct from the mass die-off associated with short lived and synchronous emergent insect taxa which is a regular and non-catastrophic occurrence. [ 3 ] Causes of MME's include disease and human-related activities such as pollution.
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Most people don't love bats, but like good health, you'll realize that you miss them after they're gone. Experts believe many species of bats may vanish pretty soon, and their disappearance could ...
The windshield phenomenon (or windscreen phenomenon) is the observation that fewer dead insects accumulate on the windshields and front bumpers of people's cars since the early 2000s. It has been attributed to a global decrease of insect populations caused by human activity, e.g. use of pesticides.
Honey bees at a hive entrance: one is about to land and another is fanning. Colony collapse disorder (CCD) is an abnormal phenomenon that occurs when the majority of worker bees in a honey bee colony disappear, leaving behind a queen, plenty of food, and a few nurse bees to care for the remaining immature bees. [1]
The insect is about half an inch long and has a bronze body with metallic green wings. Japanese beetles found in the Lower Yakima Valley threaten more than 300 plants, including roses, grapes ...