EXPLANATION OF PLATE XVIII. 



All the drawings are by J. Henry Blake. 



Fig. 1. (9221) (f) Archilachnuspeunatus. (Copied 

 by Buckton, Monogr. Brit. Aphides, PI. 

 133, Fig. 3. 



2. (315) ( 1 1 4 ) Schizoneuroitlea scudderi. 



(Copied by Bucktou, 1. r,., PI. 133, Fig. 5. 

 Copied by Zittel, Haudb. d. pahnout., 

 ' Fig. 988.) 



3. (10205) (f) Siphonophoroides antiqna. 



4. (670) (-4) Tephraphis simplex. (Copied by 



Buckton, 1. c., PI. 133, Fig. 2. ) 



5. (14450) (f) Siphonophoroides antiqua. 



6. (314) ( J , s ) Sychuobrochus reviviscens. 



7. (I3">(i2) (?) Siphouophoroides autiqna. 



8. (5380) (f ) Aphidopsis margaruiu. 



702 



Fig. 9. (4B27) (f) Anconatus dorsnosns. (Copied 

 by Buckton, 1. c., PI. 133, Fig. 4.) 



10. (8889) (f) Siphonoplioroides antiqua. 

 (Copied by Buckton, I.e., PI. 133, Fig. 1.) 



P. (1044) (f) Aphidopsis sp. (immature). 



12. (3577) (f ) Sbenaphi.s qnesueli. 



13. (340) (f ) Ainalancon Intosns. 



14. (4475) (f ) Oryctaphis recondita. 



15. (6993) (f ) Archilachnns pennatus. 

 Hi. (4615) (f ) Archilachnus pennatus. 

 17. (177) (- 1 ! ) Archilachuus peunatns. 



1H. (8085) (f) Pterostigmarecnrvuni. (Copied 



by Buckton, 1. c., PI. 133, Fig. 6.) 

 19. (8085) (f) Tephraphis walshii. 



