i 7 4 ORDER V. Tenthreda 



3. Thofe with pe&inated antennas. 



4. Thofe which have antenna nearly clar- 



vated, or with a club lefs obferv- 

 able than that in the firft family, 

 and which are articulated. 



5. Thofe with filiform antenna^ compofed 



of feven or eight articulations, be- 

 fides the bafe. 



6. Thofe with fetaceous antenna?, compofed 



of feveral articulations. 



Geoffroy and Sch^ffer have feparated the 

 firft of thefe families from the others (though 

 their larvs and metamorphofis argue them noE 

 to differ generically) and have given their new 

 genus the name of Crabro, with the following 

 characters ; 



The antenna club formed. v 



The under wings fhorter than the upper. 

 ones. 



The mouth armed with jaws. 



The fling placed at the extremity of the ab- 

 domen, and ferratedo 



3 The 



