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For Insects, Spiders & Their Kin
For the United States & Canada
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Genus Sceliphron

Mud Dauber - Sceliphron caementarium Mud Dauber - Sceliphron caementarium which wasps' nest? - Sceliphron caementarium Thread-waist Wasp sp. - Sceliphron caementarium Wasp-waisted wasp - Sceliphron caementarium - male Mud Dauber - Sceliphron caementarium narrow waisted wasp - Sceliphron caementarium Wasp id! - Sceliphron caementarium
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)
No Taxon (Apoid Wasps (Apoidea)- traditional Sphecidae)
Family Sphecidae (Thread-waisted Wasps)
Subfamily Sceliphrinae
Tribe Sceliphrini
Genus Sceliphron
Explanation of Names
Sceliphron Klug 1801
Greek skeliphron (σκελιφρον) 'lean' (probably referring to its waist)
3 spp. in our area(1), 35 total(2)
S. cementarium is by far the most widely distributed and common of the two. It can be distinguished by a broad yellow band at the base of the hind-tibiae, and upper 3 metatarsomeres yellow.
S. assimilis has dark metatarsi and metatibiae mostly black, usually with a yellow streak on the basal inner third/half (often less pronounced in the female; cf. key couplet 10), and in our area is only known from Texas.
S. curvatum-or-deforme, from Europe, has been recently discovered in Quebec.
in our area, one sp. widespread, another in TX(1), one European species introduced in Quebec.
These are the common black and yellow mud-daubers which build mud cells in sheltered situations. Each cell is stored with a number of small, paralyzed spiders.(3)
Print References
Works Cited
1.Ascher J.S., Pickering J. (2014) Discover Life bee species guide and world checklist (Hymenoptera: Apoidea: Anthophila)
2.Catalog of Sphecidae sensu lato
3.Catalog of Hymenoptera in America North of Mexico
Karl V. Krombein, Paul D. Hurd, Jr., David R. Smith, and B. D. Burks. 1979. Smithsonian Institution Press.
4.Sphecid wasps of the world: a generic revision
Richard Mitchell Bohart, Arnold S. Menke. 1976. University of California Press.