Identification
It is a very good mimic of a Polistes, looking similar to what is likely Polistes metricus, such as:
Range
Southeastern United States? Reported from North Carolina, Florida.
Season
Reported June-July in coastal plain of North Carolina
(1).
Print References
Brimley, p. 335, reports from coastal plain of North Carolina
(1).
Deyrup,
Florida's Fabulous Insects, p. 134--photo, apparently of this species
(2)
Genung, W. G. (1959). Biological and Ecological Observations on
Mydas maculiventris Westwood (Diptera: Mydaidae) as a Predator of White Grubs. The Florida Entomologist, Vol. 42, pp. 35-37 (
Full Text)