480 



EXPLANATION OF THE PLATES. 



PLATE IX. 



Fig. 



1. Sericophorus chalybeus. 



2. Palarus humeralis. 



3. Helioryctes melanopyrus. 



4. Crabro (Dasyproctus) fra- 



ternus. 



5. Crabro (Podagritus) Gayi. 



6. Wing of Larra. 



Fig. 



7. Wing of Oxybelus. 



8. Wing of Nysson. 



9. Wing of Gorytes. 



10. Wing of Harpactus. 



11. Wing of Alyson. 



12. Wing of Mellinus. 



PLATE X. 



1. Stigmus pendulus. 



2. Psen ater. 



3. Cerceris orient alis. 



4. Cerceris (Trachypus) 



nodis. 



5. Crabro cribrarius. 



6. Wing of Cemonus. 



7. Wing of Philanthus. 



8. Wing of Ceratophorus. 

 bi- 9. Wing of Pemphredon 



10. Wing of Diodontus. 



11. Wing of Passalcecus. 



PLATE XI. 



1. Philanthus (Tr achy pus) 



apicalis. 



2. Philanthus diadema. 



3. Gorytes Natalensis. 



4. Nitela Spinola. 



5. Wing of Ceratophorus. 



6. Wing of Cemonus. 



7- Anterior leg of Crabro vex- 

 illatus S . 



8. Anterior leg of Crabro 



palmipes $ . 



9. Anterior leg of Crabro 



scutatus $ . 



10. Anterior leg of Crabro 



cetratus 3 . 



1 1 . Antennae of Crabro cribra- 



rius $ . 



12. Anterior tarsus of Crabro. 



