If you are experiencing high numbers of wasps in your home or garden there is likely to be a nest nearby. A mature nest in summer can contain thousands of wasps. It is important to treat a wasp nest early to reduce the threat of a wasp sting which can be very painful and even cause an allergic reaction. Only female wasps have a sting and it can be used repeatedly. They can also attack in large numbers if they feel threatened.
Wasps are often confused with bees which are the around the same size and have a similar appearance. The Common Wasp is the one most often found in the UK and it has yellow and black stripes.
A wasp's nest will start off the size of a golf ball but as the summer progresses it will grow in size to in some cases the size of a large beach ball. Their nests are built from chewed wood pulp and saliva which gives them paper like walls. Their nests are found outdoors under eaves in wall cavities and attics.