415 



PLATK XII. 



Fig. 1. (h'iiiiut aiilitiiia {LifhO'ulac). liistar i, ventrul aspect. 

 » 2. » » » » A lateral aspect. 



» 3. » » » » If, » » 



» 4. » » » » ///, » » 



» 5. » » » » ƒ F, pro-, meso- and metathorax, 



abdoniinal segm. 1. 

 » G. » » » » V, mature larva, partly after 



J. HÜBNER (1786). 

 Fig. i — G sliow the ontogeny of the plumose setae and Type Ib. 



» 7. Phalera{Pugacm)bucephala{Nolodonlidae). Instar i, lateral aspect. 



» 8. » » » Instar i, dorsal aspect. 



» 9. » » » » » ventral aspect. 



» '10. » » » » U, lateral aspect. 



» 11. » » » » 7//, prothorax, mesothorax, abd. 



segment 5. 

 » 12. » » » «IV, prothorax, abd. segment 5. 



» 13. » » » » V, mature larva, abd. segment 5. 



Fig. 7 — 13 show the development of stripes. 

 » 14. ScUurnia pavonia, Instar 1. Type Ia, 

 » 15. » » » y, mature larva, 5th abd. segment. 



PLATE Xin. 



» 1 . Sphinx ligustri. Instar /, lateral aspect. 



» 2f/, b. Smerinthiis tiliae. Instar ƒ, lateral aspect, 



» 3a, b. Smerinthus populi. Instar ƒ, » » 



Fig. 1—3 show the primary setae and the secondary forked ones. 

 Observe seta prosligmalis.. 

 » 4. Arctia caja. Instar 7, lateral aspect. 



» 5a, b. » » » 777, prothorax and 5th abdoniinal segment. 



» G. Ocnogyna lubricipeda (Arctiidae), mature larva. 

 » 7. Euchelia jacobaea. {Arctiidae) Instar /?, lateral aspect. 



Fig. 4 — 7 show the development of the plumed setae and the 

 occurrence of verrucae and primary setae in this family. Coni- 

 pare Plate X, fig. 5. 



» 8a, b. Mamestra brassicae (Nociuidae), prothorax, mesothorax and 5th 



abdoniinal segment of mature larva. 

 » da,b. Acronycta psi (Nocluidae), metathorax, Ist and 8th abdominal 

 segments of mature larva. 

 Observe theorigin of thefleshy horns from v. dorsalis and v. subdorsalis. 

 » 10. Depressat'ia nervosa (Nocluidae). Coll. Kall. Note the arrangement 



of the pigment-spots, according to Type I and 

 the ab.sence of setae. 

 Compare with fig. 8, 9, 10, PI. X, -fig. 9, 10, 17. 



