EXPLANATION OF PLATE CLXX. 

 Tachardia conchiferata. 



Fig. I. Piece of A nana stem, with insects, nat. size. 



2. Test of adult female, lateral view, x 5. 



3. Test of early adult female, dorsal view, x 6. 



4. Test of female nymph, late stage, x 8. 



5. „ „ „ ,, early stage, x 14. 



6. Male puparium, x 16. 



7. Adult female insect, ventral view, x 5. 



8. „ „ „ dorsal view, x 5. 



9. „ ,, „ lateral view, x 5. 



10. „ ,, ,, op'ical section, after maceration, x 8. 



11. Dorsal spine and accompanying glands, x 150. 



12. Caudal extremity, from below, x 75. 



13. Dorsal spiracle, x 120. 



14. Ventral spiracle, x 150. 



15. Antenna, x 150. 



16. Ceriferous pore (in profile) from one of the lateral series, x 450. 



17. Pores from one of the circumoral groups, x 450. 



18. One of the circumcaudal groups of pores, x 220. 



