8 PROCEEDINGS OF THE NATIONAL MUSEUM vou 68 



EXPLANATION OF PLATE 



A', A^, A', A», A** — Anterior setae and punctures of epicranium. 



Adf , Adf2, Adf" — Adfrontal setae and puncture of epicranium. 



E', E^— Epistomal setae. 



F*, F" — Frontal seta and puncture. 



G', G» — Genal seta and puncture of epicranium. 



L*, L" — Lateral seta and puncture of epicranium. 



O', 0-, O^, 0° — Ocellar setae and puncture of epicranium. 



P', P^, P», P** — Posterior setae and punctures of epicranium. 



SO', SO^, SO*, SO" — Subocellar setae and puncture of epicranium. 



X — Ultraposterior setae and punctures of epicranium. 



1. Heliothis obsoleta: Head capsule, dorsal view, showing arrangement of setae 



and punctures. 



2. Heliothis obsoleta: Head capsule, lateral view, showing arrangement of setae 



and punctures. 



3. Heliothis obsoleta: Head capsule, ventral view of left side, showing arrange- 



ment of setae and punctures, 



4. Heliothis obsoleta: Claw of leg, lateral view. 



5. Heliothis obsoleta: Labial palpus. 



6. Heliothis virescens: Spinneret, ventral view. 



7. Heliothis virescens: Spiracle on third abdominal segment. 



8. Heliothis obsoleta: Spiracle on third abdominal segment. 



9. Heliothis virescens: Oral face of left mandible. 



10. Heliothis obsoleta: Oral face of left mandible. 



11. Heliothis virescens: Head capsule, dorsal view, showing arrangement of setae 



and punctures. 



12. Heliothis virescens: Head capsule, lateral view, showing arrangement offsetae 



and punctures. 



13. Heliothis virescens: Head capsule, ventral view of left side, showing arrange- 



ment of setae and pvmctures. 



14. Heliothis virescens: Setal map of first and second thoracicJand^first,Jthird, 



seventh, eighth, and ninth abdominal segments. 



o 



