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  • Black and Yellow Mud Dauber - (Sceliphron caementarium)

    Black and Yellow Mud Dauber - (Sceliphron caementarium)

    Bright legs and a dark body signal danger, but the Black and Yellow Mud Dauber is a less aggressive wasp species.




    Staff Writer (2/10/2017): The alarming yellow and black coloration on the Black and Yellow Mud Dauber causes many observers to slowly back away. While this wasp is certainly capable of stinging, it is not immediately interested in attacking people like other wasps. The more mild temperament of this species allows an observer more time to marvel at its needle-thin waist, yellow and black legs, curvy antennae, and pops of vibrant yellow decorating the head, thorax and abdomen. Pestering with and trying to handle any kind of wasp is not recommended, but this less aggressive species doesn't seem to mind a curious admirer.

    The name 'Black and Yellow Mud Dauber' comes from this species' coloration as well as its handmade creation. A dauber is a term used for an inartistic painter. In the autumn, a female Mud Dauber forms mud into balls that are then hollowed out. These balls form cells for her eggs. The mud balls are glued together with more mud to create a crude nest. Nests are usually placed under bridges or rocks, or along exposed beams of abandoned buildings or barns. These mud nests have also been found in garages, attics and outdoor picnic shelters in parks. The mud nest is kept dry by the structure's roof or overhang. Females lay an egg in a cell and place several paralyzed spiders she caught in the cell with the egg. Once an egg hatches, the wasp larva feeds on the the immobile spiders in its cell. After growing in size, the larva will form a paper-like cocoon and overwinter in the cell. It pupates in the spring and emerges from its cocoon as a flying adult wasp.

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    Details of the:
    Black and Yellow Mud Dauber


    Category: Bee, Ant, Wasp and Similar
    Common name: Black and Yellow Mud Dauber
    Scientific Name: Sceliphron caementarium

    Taxonomy:
      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Hymenoptera
          Family: Sphecidae
           Genus: Sceliphron
            Species: caementarium





    Size (Adult, Length): 20mm to 25mm (0.79in to 0.98in)

    Identifying Colors: black, yellow, orange

    Additional Descriptors: waistline, wasp, thin, skinny, flying, stinging


    North American Reach (Though Not Limited To*): Alabama; Alaska; Arizona; Arkansas; California; Colorado; Connecticut; Delaware; Florida; Georgia; Hawaii; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Montana; Nebraska; Nevada; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Oregon; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Utah; Vermont; Virginia; Washington; West Virginia; Wisconsin; Wyoming; Alberta; British Columbia; Manitoba; New Brunswick; Newfoundland and Labrador; Nova Scotia; Ontario; Prince Edward Island; Quebec; Saskatchewan; Mexico


    * Keep in mind that an insect's reach is not limited by lines on a map and therefore may appear in areas/regions/states beyond those listed above.