EXPLANATION OF PLATE CLXXX. 



ICERVA PURCHASI. 



Fig. I. Adult female, with ovisac, side view, x 2. 



2. „ ,, denuded of secretion, x 9. 



3. Antenna and eye, x 80. 



4. Foot of mid-leg, x 220. 



5. 6, 7, 8. Different aspects of the larger dermal pores, x 450. 

 9, 10, II. „ „ „ smaller „ ,, x 450. 



12. Base of dermal seta, x 450. 



13. Dorsal tuft of set;r, x 220. 



