PLATE XVI. 



Fig. 1. Philantlnis triangulum, Fab., cf 



2. Cereeris arenaria, Linn., ? 



3. ,, quadricincta, Panz., ? 



4. ,, ornata, ScJiwff., ? 



5. Crabro tibialis^ Fab., ^J 



6. „ leucostomus, Lin?i., ? 



