Mud dauber digs
黃柄壁泥蜂 Sceliphron madraspatanum
A Photographic Guide to Hong Kong Insects 香港昆蟲圖典 1st Edition 2014 P.711 - Hong Kong Entomological Society
Hunting for spiders through webs along bike trail.
Mud dauber wasp.
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. Females will add new cells one by one to the nest after each cell is...