EXPLANATION OF PLATE LXL 



Structural Characters of Female Lecanium. 



Fig. I. Ventral aspect of typical Lecanium. 



(a) eye ; (i) interantennal hairs ; (c) parastigmatic glands ; (rf) 

 anterior spiracle ; (e) posterior spiracle ; (/) stigmatic cleft ; (g) 

 abdominal hairs ; {/i) circumgenital glands. 



2. Rostral apparatus. (A) clipeus ; (B) mentum ; (a) bases of rostral 



filaments ; (6) hypopharyn.x ; (c) sac for reception of retracted loop 

 of rostral filaments. 



3. Spiniform marginal hairs of L. marstipiale. 



4. Dilated and divided hairs of L. olea. 



5. Divided hairs of L. mangifercE. 



6. Simple marginal hairs of L.frontale. 



7. Flabelliform marginal hairs of Z. expansiim. 



8. 6-jointed antenna, showing partial subdivision of third joint. 



9. 7-jointed antenna. 



10. 8-jointed antenna. 



1 1. Plates of anal operculum of L. puncttiliferian. 



(A) outer edge ; (B) base ; (C) inner edge ; {a) apex : {h) outer 

 angle ; (f) inner angle. 



12. Anal operculum of L. olece. 



13. Foot of Lecanium. (a) tarsus; {b) tarsal digitules ; (c) claw; {d) 



ungual digitules. 



