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TaxonomyBrowse
Info
ImagesLinksBooksData

Species Pseudomasaris edwardsii

Pseudomasaris edwardsii - female Wasp - Pseudomasaris edwardsii Wasp - Pseudomasaris edwardsii - female Pseudomasaris edwardsii - female Pseudomasaris edwardsii - female Is this Pseudomasaris edwardsii? - Pseudomasaris edwardsii - female Pseudomasaris edwardsii - male Pollen Wasp from Pinnacles - Pseudomasaris edwardsii - female
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
Superfamily Vespoidea (Yellowjackets and Hornets, Paper Wasps; Potter, Mason and Pollen Wasps and allies)
Family Vespidae (Yellowjackets and Hornets, Paper Wasps; Potter, Mason and Pollen Wasps)
Subfamily Masarinae (Pollen Wasps)
Genus Pseudomasaris
Species edwardsii (Pseudomasaris edwardsii)
Synonyms and other taxonomic changes
Masaris edwardsii Cresson 1872   [Detailed original description of ♀ & ♂ here]
Identification
Females have a swelling on the anterior side of mesotibia (may be small or absent in some individuals):

Males have unique structure of the antennae, and a slight swelling on the frons:
Range
WA-CA-Baja east to WY-CO-AZ(1); one adventitious occurrence in ON(2)
Season
Mar to mid-Aug, mostly Apr-Jul, depending on altitude and flowering of food plants
Remarks
Print References
Bradley J.C. (1922) The taxonomy of the Masarid wasps, including a monograph of the North American species. UC Publ. Entomol. 1: 369-464. (Full text)
Cresson, E. T. (1872). Description of a new species of Masaris from California. Trans. Amer. Entomo. Soc., 4:87-88. (Full Text)
Hicks, C. E. (1931). Notes on pollen-user wasp Pseudomasaris edwardsii, Cresson. Bull. So. Cal. Acad. Sci., 30(1):23-29 (Full Text)
Torchio P.F. (1970) The ethology of the wasp Pseudomasaris edwardsii (Cresson), and a description of its immature forms (Hymenoptera: Vespoidea, Masaridae). Contrib. Sci. L.A. County Mus. 202: 1-32. (Full text)
Internet References
Works Cited
1.Checklist of species of the subfamily Masarinae (Hymenoptera, Vespidae)
Carpenter J.M. 2001. American Museum novitates 3325. 40 pp.
2.Identification Atlas of the Vespidae (Hymenoptera, Aculeata) of the Northeastern Nearctic Region
Matthias Buck, Stephen A. Marshall, and David K. B. Cheung. 2008. Biological Survey of Canada [Canadian Journal of Arthropod Identification].