PLATE XV. 



Fig. 1. Cladius difformis $ ; b, transverse basal ner- 

 vure ; <?, transverse median ; 1 , antenna. 



Tig. 2. Cladius difformis ; 2 a, antenna. 



Fig. 3. Cladius viminalis $ ; 3 a, antenna; 3 , face. 



Fig. 4. Antenna of Cladius padi $ . 



Fig. 5. Cladius padi ? ; 5 a t antenna. 



Fig. 6. Internal process in mesosternum of Dolerus. 



Fig. 7. Prosternum of Dolerus. 



Fig. 8. Simple claw of Cimbex. 



Fig. 9. Claw with a tooth (Dolerus). 



Fig. 10. Bifid (Tenthredo). 



Fig. 11. Thorax of Tenthredo ; 1, 2, 3, coxae ; a, 

 pronotum ; b, episternum ; c t mesonotum ; g> meso- 

 sternum ; n, epimera ; d 9 mesophragma (lateral view) ; 

 j, from above ; /, metanotum ; i, metasternum ; 1 a, inter- 

 mediate segment. 



Fig. 12. Metathorax of Tenthredopsis ; d, posterior 

 wings ; u, intermediate segment j d, stigma ; c, coxa. 



Fig. 13. Ditto from above ; a t cenchri ; ^intermediate 

 segment. 



Fig. 14. c genital organs of Trichiosoma ; 2, penis; 

 , from the side ; 1, double-jointed valve. 



