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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Vespoidea » Hornets, Yellowjackets; Paper, Potter, Mason, and Pollen Wasps; and Allies (Vespidae) » Pollen Wasps (Masarinae) » Pseudomasaris » Pseudomasaris edwardsii

Species Pseudomasaris edwardsii

Pseudomasaris edwardsii - male Pollen Wasp #2 - Pseudomasaris edwardsii - female Pseudomasaris edwardsii - female Pseudomasaris sp. provisioning cells - Pseudomasaris edwardsii Wasp - Pseudomasaris edwardsii - female ZE.45072_Pseudomasaris - Pseudomasaris edwardsii - male Spilomyia? - Pseudomasaris edwardsii - female Pseudomasaris edwardsii ? - 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
Family Vespidae (Hornets, Yellowjackets; Paper, Potter, Mason, and Pollen Wasps; and Allies)
Subfamily Masarinae (Pollen Wasps)
Genus Pseudomasaris
Species edwardsii (Pseudomasaris edwardsii)
Synonyms and other taxonomic changes
Masaris edwardsii Cresson 1872
Identification
Females have a swelling on the anterior side of mesotibia (reduced/absent in some individuals):

Males have unique antennae, and a slight swelling on frons:
Range
WA-CA-Baja 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
description (Bradley 1922)
Print References
Hicks C.E. (1931) Notes on pollen-user wasp Pseudomasaris edwardsii Cresson. Bull. So. Cal. Acad. Sci. 30: 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
Species page(2)
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].
Contributed by Hartmut Wisch on 11 October, 2006 - 10:47pm
Additional contributions by Matthias Buck, Aaron Schusteff, v belov, Nathaniel Green
Last updated 2 August, 2023 - 2:34pm

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