1) Arthropod genus 2) Genus sceliphron 3) Mud daubers 
Sceliphron is a genus of Hymenoptera of the Sphecidae family of wasps, commonly referred to as mud daubers. They are solitary and build nests made of mud. Nests are frequently constructed in shaded niches, often just inside of windows or vent openings, and it may take a female only a day to construct a cell requiring dozens of trips carrying mud. ...
[n] - mud daubers
genus Sceliphron noun mud daubers