They are more diverse in the temperate region although a few tropical endemics are known.

There are approximately 183 species in this family, which are found worldwide although they are commoner in the temperate region.

The city has a usual weather pattern for a temperate region with thunderstorms in the summer and snow during winter.

For example, in a temperate region, there might only be three per year, but in tropical regions the cycle might be continuous all year long.

Some temperate region insects are capable of activity during winter, while some others migrate to a warmer climate or go into a state of torpor.