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Species Monobia quadridens - Four-toothed Mason Wasp

Mason Wasp - Monobia quadridens Mason wasp - Monobia quadridens - male Pseudodynerus quadrisectus? - Monobia quadridens Four-toothed Mason Wasp (Monobia quadridens) - Monobia quadridens Distinctively marked wasp - Monobia quadridens Distinctively marked wasp - Monobia quadridens wasp? - Monobia quadridens Four-toothed Mason Wasp - Monobia quadridens - male
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 Eumeninae (Potter and Mason Wasps)
Genus Monobia
Species quadridens (Four-toothed Mason Wasp)
Explanation of Names
Monobia quadridens (Linnaeus 1763)
Size
Forewing: ♂ 11.0–14.5 mm, ♀ 14–18 mm(1)
Identification
A single, broad, apical fascia on tergum 1 but otherwise black metasoma.
Range
e US & so. ON west to WI-KS-NM(1)
Season
May-Oct in NC(2)
Food
Adult takes nectar at flowers. Larvae feed on caterpillars of Pyralidae (Phycitinae, Epipaschiinae), Crambidae (Pyraustinae), Elachistidae (Stenomatinae), Amphisbatidae, Gelechiidae and Tortricidae.
Life Cycle
Usually nests in wood borings, but sometimes burrows in dirt banks. Sometimes takes over abandoned nests of carpenter bees or ground bees, also Sceliphron (mud dauber) cells. Nest is provisioned with caterpillars, and cells of nest are separated by mud partitions.
See Also
Euodynerus bidens is similar but less common and has ivory spots behind the eyes:
Internet References
Works Cited
1.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].
2.Insects of North Carolina
C.S. Brimley. 1938. North Carolina Department of Agriculture.