Monday, September 26, 2011

What Are Stink Bugs?

Pentatomoidea, commonly known as stink bugs or shield bugs, is referred to a super family of insects belonging to the Heteroptera suborder. In this order the insects share common characteristics such as piercing mouth-parts as well as a particular kind of wings which are toughened at the base and membranous at the tips.

The scientific name of stink bugs, Pentatomoidea, has been derived from the fact that they have an antenna which is divided into five segments. Stink bugs have broad bodies that are either in triangular shape or semi-elliptical. Their bodies serve the purpose of defensive shield against predators; this is why they are sometimes referred to as "shield bugs".

Stink bugs excrete offensive smelling liquid from their thorax glands that are placed in between the first and second pair of legs. When they are molested or attacked by predators, they produce this liquid defensively in order to put off potential threat to their lives. Usually, they are not considered to be pests for they do not render significant loss to plants; however, when they make a larger group, they may become considerable pests.

It is worth mentioning here that all stink bugs have sucking mouthparts and broad bodies, but still there are variations in their body colorings. On account of this distinction they are further divided into fifteen different species. Among them brown stink bugs and green stink bugs are the most famous types... read more