Characters and Classification. 



EXPLANATION OF PLATE IL 



Structural Characters of Male Diaspin^. 



Fig. I. Pupa, ventra. view. 



2. Adult (J, dorsal view. 



(a) Head, jj}) prothorax, (<:) mesothorax, {d) metathorax, {e) ab- 

 domen, (/) dorsal scute of mesothorax, (^) apodema, (A) scu- 

 tellum of metathorax. 



3. ' Halter,' dorsal view. 



(a) Basal portion, ifi) hooked bristle. 



4. Head of adult <J, dorsal view. 



(a) Upper ocelli, {b) rudimentary eyes, {c) gense. 



5. Head, from below. 



{a) Lower ocelli, {b) rudimentary eyes, {c) genae. 



6. Leg of adult 5. 



(a) Coxa, (d) trochanter, {c) femur, (d) tibia, (e) tarsus, (/) claw, 

 (g) ungual digitules, (h) tarsal digitules. 



7. Adult 6, ventral view. 



(a) Head, (d) prothorax, (^r) mesothorax, (d) metathorax, (e) ab- 

 domen, (/) divided scute of mesothorax. 



8. Adult 6, side view. 



(a) Head, (d) prothorax, (c) mesothorax, (d) metathorax, {e) ab- 

 domen. 



9. Antenna of adult 6. 



10. Genital sheath of adult 6, from below, showing elongate valve. 



