Certain wasps chose to live alone rather than in nests with others. These anti-social wasps include mud daubers, spider wasps and cicada killers. Some of them build small nests on the wall of buildings while others dig small holes in the ground. Several may create nests near others, they do not cooperate in the effort.

The solitary wasps often look similar to yellow jackets and other social wasps. A few of them are metallic blue or black in color, however. They often have long, thin waists and may be called thread waisted wasps.

After building their nest, the solitary wasp lays its eggs inside. They they either kill or paralyze other insects or spiders and put them in with the eggs. These act as a food supply for the newly hatched young.

Although some of these wasps such as the large sized cicada killer may look imposing, they are generally not aggressive and rarely sting.

Control of these types of wasps is usually not needed. If they build nests in places where they cannot be ignored, you can treat them with common spray products labeled for wasp control.

Note: We have provided some general information and observations on this topic aimed at the home gardener. Before you take any serious action in your landscape, check with your state's land grant university's Cooperative Extension Service for the most current, appropriate, localized recommendations.

Types of Insects

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