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Subfamily Campsomerinae

What have we here? - Dielis plumipes - female Wasp - Dielis plumipes large wasp? feeding on althea - Dielis plumipes - female Wasp ID - Dielis plumipes - male Wasp - Scoliid? - Colpa octomaculata - female Scoliid wasp? - Dielis plumipes - male Wasp - Dielis plumipes Wasp - Dielis trifasciata - female
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 Scolioidea
Family Scoliidae (Scoliid Wasps)
Subfamily Campsomerinae
Synonyms and other taxonomic changes
The scoliid subfamilies used on BugGuide are alternatively represented as tribes (Campsomerini and Scoliini) united under a differently-defined Scoliinae.

Our representation of Campsomerinae has variably been sub-divided (either as tribes or subtribes). As used by Argaman (1996), these tribes would include Campsomerini (for the present genera of Dielis, Pygodasis, and Xanthocampsomeris) and Colpini (for the present genera of Colpa and Crioscolia). These subtaxa were not included by Osten (2005).
Campsomerinae are separated from Scoliinae by the two veins at the posterior margin of the submarginal cell.(1) This creates a narrow, L-shaped enclosure (see diagram).

Campsomerine genera may be further divided into two groups (formerly treated as tribes or subtribes). Members of the Campsomeris group / former Campsomerini (Dielis, Pygodasis, and Xanthocampsomeris) have two submarginal cells. Members of the Colpa group (Colpa and Crioscolia) have three submarginal cells.(1)

J. Hoskins: Females of the Campsomeris group in our area may be quickly separated based on the color of hair on the head (note: not the pronotal collar, which could cause confusion with Dielis plumipes). This trait is not reliable with males.
Dielis: white hairs
Pygodasis: black hairs
Xanthocampsomeris: reddish-brown hairs
Print References
Argaman, Q. (1996) Generic synopsis of Scoliidae (Hymenoptera, Scolioidea). Annales Historico-Naturales Musei Nationalis Hungarici, 88: 171–222.

Bradley, J.C. (1957) The taxa of Campsomeris (Hymenoptera: Scoliidae) occurring in the New World. Transactions of the American Entomological Society, 83: 65–77.

Bradley, J.C. (1964) Further notes on the American taxa of Campsomeris (Hymenoptera: Scoliidae). Entomological News, 75: 101–108.

Osten, T. (2005) Checkliste der Dolchwespen der Welt (Insecta: Hymenoptera, Scoliidae). Bericht der Naturforschenden Gesellschaft Augsburg, 62: 1–62.