Nemognatha, cf lurida, family Meloidae. (compare Cantharidae, another family of blister beetles)

ID of Nemognatha by BugGuide.net; no vernacular name.

Originally placed by Linnaeus in family Cantharidae, Meloidae now
has family status. One basic difference is that Cantharids feed on
larvae and soft-bodied insects, while Meloids eat flowers and pollen.