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DESCRIPTION

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The Blue Mud Wasp is a solitary wasp that is known to take over the abandoned mud nests of the Black and Yellow Mud Dauber (Sceliphron caementarium). Each cell within the nest is stocked with paralyzed a Black Widow spider to feed the developing larvae. Although some people do complain about these wasps, especially since they frequently build their mudden nests near doorways or windows, they are seldom a nuisance. In fact, they are in beneficial. They prey primarily on Black Widow Spiders.

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