EVOLUTION OF COLOR PATTERN IN LITHOCOLLETIS. 167 



EXPLANATION OF PLATES III AND IV. 



PLATE III. 



Phylogenetic tree illustrating the evolution of the species of the "cylindrical-larval group 

 and of Porphyrosela. (The figures on this and the following plate are three times natural size.) 



of Lithocolletis 



Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 

 Fig. 



1. 

 2. 

 3. 



4. 

 5. 

 6. 



7. 



8. 



9. 



10. 



Fig. 11. 

 Fig. 12. 

 Fig. 13. 

 Fig. 14. 

 Fig. 15. 

 Fig. 16. 

 Fig. 17. 

 Fig. 18. 

 Fig. 19. 

 Fig. 20. 

 Fig. 21. 

 Fig. 22. 

 Fig. 23. 

 Fig. 24. 

 Fig. 25. 

 Fig. 26. 

 Fig. 27. 

 Fig. 28. 

 Fig. 29. 

 Fig. 30. 

 Fig. 31. 

 Fig. 32. 

 Fig. 33. 

 Fig. 34. 

 Fig. 35. 

 Fig. 36. 

 Fig. 37. 

 Fig. 38. 

 Fig. 39. 

 Fig. 40. 

 Fig. 41. 

 Fig. 42. 

 Fig. 43. 

 Fig. 44. 

 Fig. 45. 

 Fig. 46. 

 Fig. 47. 

 Fig. 48. 

 Fig. 49. 

 Fig, 

 Fig, 

 Fig. 52. 

 Fig. 53. 

 Fig. 54. 

 Fig. 55a. 

 Fig. 555. 

 Fig. 56. 

 Fig. 57. 

 Fig. 58. 



50. 

 51. 



Liihocollelis tiliacella Cham. 



" oregonensis Wlsm. (not illustrated). 



" fragilella F. and B. 



" celtifoliella Cham. 



" tritcenianella Cham. 



" affinis F. and B. (not illustrated). 



" ostensackenella Fitch. 



" mariceella Cham. 



Porphyrosela desmodieUa Clem. 

 Lithocolletis auronitens F. and B. 



argentinotella Clem. 



occitanica F. and B. (not illustrated). 



leucothorax Wlsm. 



fitchella Clem. 



salicifoliella Clem. 



tremMoidiella Braun. 



hageni F. and B. 



arhutusella Braun. 



insignis Wlsm. (not illustrated). 



insignis Wlsm. 



carycealhella Cham. 



rileyella Cham. 



ostrycEfoliella Clem. 



olivceformis Braun. 



ohscuricostella Clem. 



kearfottella Braun. 



populiella Cham. 



diaphaneUa F. and B. 



salicivorella Braun. 



deceptusella Cham. 



alni Wlsm. (not illustrated). 



alnicolella Wlsm. 



ledella Wlsm. 



incanella Wlsm. 



scudderella F. and B. 



cratcegella Clem. 



malimalifoliella Braun. 



propinquinella Braun. 



sexnotella Cham. 



aeriferella Clem. 



obsoleta F. and B. 



albanotella Cham. 



argentifimhriella Clem. 



lucidicostella Clem. 



clemensella Cham. 



quercialhella Fitch. 



trinotella Braun. 



morrisella Fitch. 



uhlerella Fitch. 



rohiniella Clem. 



lucetiella Clem. 



7nartieUa Braun. 



gemmea F. and B. 



symphoricarpella Cham. 



apicinigrella Braun. 



apicinigrella Braun. 



celtisella Cham. 



basistrigella Clem. 



hatavietla Braun. 



