1911] Rohwer — New Names of Sphecoid Wasps 155 



6. Crabro sexcindus Fabricius, a well-known species; placed in 

 Solenius in 1852. 



7. Crabro alatus Panzer, a common species; placed in Cera- 

 tocolus in 1834 and chosen as the type of the same genus in 1899. 



8. There is no dimidata Panzer. 



Crabro subterraneus is chosen as the type because it is the first 

 well-known species included. It is consubgeneric wdth Crabro 

 alatus Panzer, the designated type of Ceratocolus, hence the above 

 cited synonymy. 



