Reed Bee 
Rhagigaster lyelli 
Rhogogaster punctulata 
Rhopalosoma nearcticum 
Rhynchium haemorrhoidale 
Rhynchium oculatum 
Rhyssa alaskensis 
Ronisia barbarula 
Ronisia brutia 
Ropalidia cyathiformis 
Ropalidia erythrospila 
Ropalidia fasciata 
Ropalidia horni 
Ropalidia marginata 
Ropalidia regina 
Ropalidia socialistica 
Ropalidia stigma 
Ropalidia Sumatrae 
Rose bedeguar gall 
Rose Sawfly 
Rubrica nasuta 
Ruby-tailed Wasp 
Sabre Wasp 
Saddleback Scoliid Wasp