If insects are to be taken as a vital sign indicating a city's environmental health, there's not much to worry for Bangalore. That is, not yet. A recent study conducted by researchers from the Ashoka Ashoka Trust for Research in Ecology and the Environment (ATREE) has recorded a large number of insects — 2,185 insects from 10 orders, of which ants, bugs, beetles and flies were the most common. They also found 25 species of trees and 117 species of herbs and shrubs in the 50 sampled domestic...