EXPLANATION OF PLATE XX. 



CHIONASPIS ASPIDISTRA. (Page 187.) 



Fig. 1. Female insects, natural size, in situ on fern 



stem (Asplenium). 

 2. Male insects, natural size, on portion of fern 



leaf (Asplenium). 



3 and 3 A. Adult female puparia. X 25. 

 3 B. Puparium of second-stage female. X 2-">. 



4. Adult female at gestation (dorsal). X 45. 



5. Parasitised female (ventral). X 45. 



6. Puparium of male (dorsal). X 25. 



7. The same (ventral), disclosing the second - 



stage male. X 25. 



8. 9. Pupa (dorsal and profile). X 30. 

 10. Male. X 35. 



