Wasps, SPECIES IDENTIFICATIONKerri-Lee HarrisSeptember 20, 2022digger wasp, Rhopalum coriolum, Apotropina, Crabronidae, batch 6 Nesting habits of a little-known wasp We discover a tiny, sand-nesting wasp and record unique photos and observations of a rarely seen crabronid … Rhopalum coriolum. Wasps, SPECIES IDENTIFICATIONKerri-Lee HarrisSeptember 20, 2022digger wasp, Rhopalum coriolum, Apotropina, Crabronidae, batch 6