Blue Mud Wasp
( Chalybion californicum )


2011-0717-01100112-HYM00204-Chalybion_californicum[1558h34s,F,A,plant-fennel]{JRyugo}-G.jpg

PHOTO COMMENT

IDENTIFICATION
Identification:Chalybion californicum
(de Saussure ,1867 )
Common Name:Blue Mud Wasp
Life Stage:(A) adult

PHYLOGENY

Phylum:Arthropoda
Class:Insecta
Superorder:Holometabola
Order:Hymenoptera
Suborder:Apocrita
Family:Sphecidae
Subfamily:Sceliphrinae
Tribe:Sceliphrini
Genus:Chalybion
Taxon Code:HYM00204
ITIS/TSN:769260

LOCATION DETAILS
Location Name
Gardens at Lake Merritt, Lakeside Park, 666 Bellevue, Oakland
County:Alameda County
ECI Site#:CA01100110

RECOGNITION
Recognition
These are attractive wasps which have bodies, legs and head that are black with a bluish sheen and smokey wings.
Description
These are attractive wasps which have bodies, legs and head that are black with a bluish sheen and smokey wings.
Body Length
12-18 mm.
Similar Taxa
Other dark members of the families Sphecidae and Pompilidae.

BIOLOGY
These wasps reuse nests constructed by other wasps, such as the Black and Yellow Mud Dauber; or they may build their own. Nests may be seen around the eaves of structures, mostly on the sunny side. Adults collect spiders and use them to provision nests. These wasps are known to provision their nests mainly with Black Widow Spiders. Adults come to flowers for nectar.
Food
Adults: nectar; Brood are fed paralyzed spiders.
Development
Brood develop in mud nests created by adult wasps.

CREDITS
Photographer
Jim Ryugo
Park Maintenance, City of Oakland

References
Species Chalybion californicum - Blue Mud Wasp. (http://bugguide.net/node/view/5458). Accessed March 12, 2016. .
ITIS.


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