Evolution in an Urbanizing World
The Asian Ladybeetle (Harmonia axyridis) is a common sight in many urban gardens, such as those on Governor's Island in New York Harbor. They are voracious predators, feeding on soft-bodied arthropods like aphids and scale insects. These beetles were imported into the united states in 1916 to help control insect pests. Larval Asian Lady beetle... Continue Reading →
A painted lady (Vanessa cardui), a species of butterfly common in urban habitats (Photo credit: Jean-Pol GRANDMONT) The urban heat island effect is a well-known consequence of urbanization whereby temperatures in cities are higher than those in surrounding natural areas. One wrinkle in the heat island effect is that the increase in temperatures is not... Continue Reading →
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