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BugGuide Gathering
Smoky Mountains
University of Tennessee Biological Field Station
August 8-10, 2008
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Photos from the last gathering (Minnesota 2007)

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Subfamily Philanthinae

Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Bees, Ants, and other Stinging Wasps)
No Taxon (Apoid Wasps (Apoidea)- traditional Sphecidae)
Family Crabronidae
Subfamily Philanthinae
Synonyms and other taxonomic changes
formerly placed in family Sphecidae; transferred to Crabronidae by Prentice (1998) and Melo (1999) - see PDF doc by Pulawski in Internet References section below
Numbers
1,141 species in the world
Size
body length 12-18 mm
Identification
Digger wasps of medium size, usually black with yellow markings. They have a constriction between the first and second abdominal segments. One apical spur on middle tibia. Forewing with 3 submarginal cells.
Remarks
The Philanthini provision their nests with bees, the Aphilanthopini with ants, and the Cercerini with various types of beetles (Chrysomelidae, Buprestidae, Curculionidae)
Internet References
classification; PDF doc of superfamily Apoidea (Wojciech Pulawski, 2006, California Academy of Sciences)
number of species worldwide (California Academy of Sciences)
I found the systematics at Berkeley pdf very helpful. Steve Scott, 16 March, 2007 [but that 1975 document places Philanthinae in family Sphecidae, whereas the widely-accepted classification today is in family Crabronidae - RM, 5 May 2007]
Works Cited
1.Borror and DeLong's Introduction to the Study of Insects
By Norman F. Johnson, Charles A. Triplehorn
2.Peterson First Guide to Insects of North America
By Richard E. White, Christopher Leahy, Roger Tory Peterson