Butterflies of Egypt: Atlas, Red Data Listing & Conservation
A chain of events caused by climate change has led to a decline in butterfly populations in the Colorado Rocky Mountains, researchers at Stanford University recently found.
The study, published in the scientific journal Ecology Letters, could be prescient in determining the long-lasting effects of climate change on many of the world’s species.
As climate change leads to an early spring, the snowmelt caused by the warmer temperatures on the Rocky Mountains decreases the number of summer wildflowers. Fewer flowers, of course, mean less nectar available to butterflies.
In the researchers’ tests, the more nectar female butterflies ate, the more eggs they laid. Therefore, less available nectar led to fewer butterflies being born and, consequently, population declines, they concluded.
If climate change could have such a dramatic impact on butterfly populations, could similar cascading effects be seen in other wildlife species?
It’s quite likely…
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Beautiful and delicate, butterfly are day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly’s life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured wings, and conspicuous, fluttering flight. Butterflies comprise the true butterflies (superfamily Papilionoidea), the skippers (superfamily Hesperioidea) and the moth-butterflies (superfamily Hedyloidea). All the many other families within the Lepidoptera are referred to as moths. The earliest known butterfly fossils date to the mid Eocene epoch, between 40–50 million years ago