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Species Colpa octomaculata - Eight-spotted Scoliid Wasp

Unidentified, Maybe Bee Wolf or Digger Wasp? - Colpa octomaculata - female Possible wasp - Colpa octomaculata - male wasp like on Mexican Hat - Colpa octomaculata - male Scoliid? - Colpa octomaculata Wasp on flower - Colpa octomaculata - male Unknown wasp - Colpa octomaculata unknown wasp  - Colpa octomaculata - male North Cape May Campsomer - Colpa octomaculata - male
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
Genus Colpa
Species octomaculata (Eight-spotted Scoliid Wasp)
Synonyms and other taxonomic changes
Colpa octomaculata (Say 1823)
Trielis octomaculata
Explanation of Names
octomaculata = 'eight-spotted' (refers to female abdominal pattern)
yellow abdominal bands may vary in thickness slightly; usually it's yellow maculation on black background, but some individuals may have a significant amount of red.

western varieties have more red vs. black on the body, legs and head (per Bob Biagi's comment)
sw US, se seaboard (BG data)