The two main reasons are self-defence and in defence of the colony.
Wasps and Bee's are insects that sting.
having a sting or the capacity to sting; "stinging insects"; "stinging nettles"
hornet
Over nine thousand!
Animals spread plant seeds and insects pollinate plants.
Male bees, or drones, do not have a sting. In bees, wasps and similar insects the sting is a modified ovipositor (egg laying tube) -- an organ that males do not have.
It could be a grasshopper or a lacewing or many other insects.
Wasps have one sting, as do all other similar insects.
Formic acid is the chemical in the sting or bite of most stinging insects.
yes because of many reasons
Insects must be controlled because they can over populate. Some can be quite harmful to humans and others are just plain pests.
Bees will sting birds when their beehive is under attack. However, birds tend to be quicker at consuming the insects before the bee can attack.