Three new prey families of adult Diptera are presented for Crabro advena, bringing to 14 the total number of fly families captured by this euryphagous wasp. The variety of prey flies used as provisions by this species is probably related to its varied nesting habitat.
Kurczewski, Frank E.
"New Prey Families for Crabro Advena (Hymenoptera: Sphecidae),"
The Great Lakes Entomologist: Vol. 26
, Article 9.
Available at: http://scholar.valpo.edu/tgle/vol26/iss1/9