EXPLANATION OF PLATE LXXXVIH. 

 Lecanium geometricum. 



Fig. I. Leaf, with insects in situ, nat. size. 



2. Adult ?, dorsal view, x 12. 



3. Antenna of female. 



4. Leg. 



5. IVIargin of scale and stigmatic cleft, x 215. 



6. Stigmatic cleft and spines. 



7. Margin, dorsal view, x 650. 



8. Anal operculum, x 150. 



9. Male puparium, x 12. 



