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Black And Yellow Mud Dauber (Sphecid Wasp)

Sceliphron caementarium


Sceliphron caementarium can reach a length of 24–28 millimetres (0.94–1.10 in). Petiole is about half the length of the entire abdomen. The thorax shows various yellow markings, while the abdomen is normally black. The eyes are black, the antennae are black and the legs are mainly yellow. The wings are a tawny color.


Bog Trail


These sphecid wasp are solitary insects that build nests out of mud, in sheltered locations, frequently on man-made structure such as bridges, barns, open porches or under the eaves of houses. Interesting Note: In 1996, Birgenair Flight 301 crashed near Puerto Rico. The most probable cause of this Boeing 757 crash was a blockade in a Pitot tube (device for air speed measurement) by a mud dauber's nest.

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Joseph R. Godreau
Spotted by
Joseph R. Godreau

Marquette, Michigan, USA

Spotted on Jul 30, 2016
Submitted on Aug 16, 2016

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