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Genus Pygodasis

Scoliid ? - Pygodasis quadrimaculata Wasp, hornet or Fly? - Pygodasis quadrimaculata Wasp type- digs hole in dirt-two yellow abdominal circles-costal island, Chatham County, Ga. 3/29/09 - Pygodasis quadrimaculata - female Unknown Scoliid Wasp - Pygodasis quadrimaculata large wasp  - Pygodasis quadrimaculata Sphecius ? - Pygodasis quadrimaculata Pygodasis   quadrimaculata - Pygodasis quadrimaculata Black/yellow wasp - Pygodasis quadrimaculata - 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 Scolioidea
Family Scoliidae (Scoliid Wasps)
Tribe Campsomerini
Genus Pygodasis
Synonyms and other taxonomic changes
Pygodasis was described by Bradley (1957) as a subgenus of Campsomeris.(1) Argaman (1996) assigned generic status to Pygodasis, which was implicitly supported by Osten (2005).(2)

Campsomeris (sensu stricto) is a Neotropical genus and does not occur in the USA and Canada.
Explanation of Names
Pygodasis Bradley, 1957
Numbers
2 spp. occur north of Mexico:
1. Pygodasis ephippium (Say, 1837)
2. Pygodasis quadrimaculata (Fabricus, 1775)
Identification
Forewing with 2 submarginal cells and 2 recurrent veins (venation shared with Dielis and Xanthocampsomeris). Most species of Pygodasis (apart from male P. quadrimaculata) have black setae on the body.

Overview of Females

Pygodasis ephippium ephippium: Abdomen with broad orange bands on T2 and T3; abdominal fringe black; wings black. Range: Arizona and Texas


Pygodasis quadrimaculata: Abdomen with paired yellow spots on T2 and T3; abdominal fringe black; wings usually dark. Range: eastern US, south to Florida and Louisiana, north to New Jersey

Overview of Males

Pygodasis ephippium ephippium: Abdomen with broad orange bands on T2 and T3; abdominal fringe black; wings black. Range: Arizona and Texas


Pygodasis quadrimaculata: Abdomen with variable yellow markings from only paired spots on T2 and T3 to bands on T1-T5, with those of T2 and T3 with a strong medial impression; abdominal fringe pale. Range: eastern US, south to Florida and Louisiana, north to New Jersey
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.(1)
Bradley, J.C. (1964) Further notes on the American taxa of Campsomeris (Hymenoptera: Scoliidae). Entomological News, 75: 101–108.(3)
Osten, T. (2005) Checkliste der Dolchwespen der Welt (Insecta: Hymenoptera, Scoliidae). Bericht der Naturforschenden Gesellschaft Augsburg, 62: 1–62.(2)
Works Cited
1.The taxa of Campsomeris (Hymenoptera: Scoliidae) occurring in the New World
J. Chester Bradley. 1957. Transactions of the American Entomological Society, 83: 65–77.
2.Checkliste der Dolchwespen der Welt (Insecta: Hymenoptera, Scoliidae)
von Till Osten. 2005. Bericht der Naturforschenden Gesellschaft Augsburg, 62: 1–62.
3.Further notes on the American taxa of Campsomeris (Hymenoptera: Scoliidae)
J. Chester Bradley. 1964. Entomological News, 75: 101–108.