PLATE CLXXIV (a). 

 Orthezia insignis (male). 



15. Adult male, side view, x 15. 

 ID. „ „ „ „ X 1 5. 



17. Head of male, from above, x 60. 



18. Head, from below, x 60. 



19. One of the halteres, x 120. 



20. Terminal joint of male antenna, x 155. 



21. Foot of male, x 220. 



22. Abdominal extremity of male, x 130. 



23. Tubular pores from dorsum of antepenultimate segment, x 450. 



24. One of the pores, vertical view, x 900. 



25. Group of ceriferous pores from latei-al area, x 450. 



26. 27, 28. Successive stages of male nymph, x about 20. 



