Explanation of Plate 6. 



Fig. i. Body of female of Hemichionaspis aspidistrae. 

 Fig. 2. Exuviae of Hemichionaspis aspidistrae. 

 Fig. 3. Same of Hemichionaspis theae. 



Fig. 4. Edge of one of the abdominal'segments of Hemichionaspis theae. 

 Fig. 5. A gland-spine from Hemichionaspis aspidistrae. 

 Fig. 6. Portion of body of Hemichionaspis aspidistrae showing the very 



prominent abdominal segments. 



Fig. 7. Cross section of male scale of Hemichionaspis aspidistrae. 

 Fig. 8. Portion of body of Hemichionaspis minor. 

 Fig. 9. Pygidium of Hemichionaspis aspidistrae. The right side is a 



ventral and the left side a dorsal view. 

 Fig. 10. A gland-spine from Hemichionaspis rhododendri \ the form which 



occurs on the abdominal segments. 



