104 WILLIAM T. M. FORBES 



Artificial key to species 

 1 . Thorax green 2 



1 . Thorax brown or yellow 3 



2. Hind wing half yellow and half brown P. chloris (p. 108) 



2. Hind wing nearly evenly colored, or with narrow brown border. 



P. indetermina (p. 107) 



3. Fore wing marked with green 3% 



3. Fore wings without green 4 



3 l /2- Fore wings with all veins preserved, apex bluntly rounded 



E. delphinii (p. 107) 

 3'X>. Fore wings with 11 veins, apex subfalcate. . A. spwiuloidcs (rarely) (p. 108) 



4. Small; hind wings triangular, transparent except on inner margin. 



P. pithecium (p. 105) 



4. Hind wings more rounded, heavily scaled 5 



5. A large, subtriangular, dark brown area, resting on costa. . . .P. scapha, (p. 110) 



5. No such costal patch 



6. With ocellate spots at anal angle 7 



6. No such spots ' 9 



7. Spots at anal angle black, pale ringed /'. clegans (p. 112} 



7. Spots pale, dark ringed ^ 



8. Hind wings paler than fore wings P. gnninata (p. 112) 



8. Hind wings blackish .../'. albipunctata (p. 113) 



9. Marked with pure white I' 1 



9. No pure white, rarely a straight, diffuse, whitish, median band 13 



10. An irregular, transverse, median band L. fa^ciola (p. 112) 



10. Such a band on inner half of wing only 1 1 



10. A minute streak on middle of inner margin and on costa before apex 12 



10. Two subapical dots and a dot below cell only S. stimulea (p. 106) 



11. Band extending into cell M. semifascia (p. 108) 



11. Band sapping abruptly at Cu M. subdentosa (p. 108) 



12. Ground light ochreous A. bicaudata (p. 108) 



12. Ground red-brown A . spiwuloides ( p. 108 ) 



13. Base of fore wing lemon yellow, contrasting with the buff ground 



C. flavescens (p. 10(>) 



13. Base of fore wing not contrastingly yellow 14 



14. Fore wing straw yellow, contrasting with the dark brown hind wing; immacu- 



late T. minuta (p. Ill) 



14. Fore wing not contrastingly pale, or with complex markings l.~> 



15. Hind tibiae with end-spurs only Ifi 



15. Hind tibiae with 4 spurs 1 7 



16. Expanse under 15 mm.; hind wing blackish ~H. shurtleffi (p. 112) 



16. Expanse over 15 mm.; hind wing chocolate brown 8. iextula (p. 109) 



17. Postmedial line distinct, wavy IS 



17. Postmedial line even, or marks obsolescent 19 



18. Palpi hardly exceeding front P. pitforium ( p. 105 ) 



18. Palpi extending above vertex /. beutenmulleri (p. 106) 



19. A transverse band formed of brown, longitudinal striations on the veins. 



T. testacea, (p. Ill) 



19. No longitudinal striations on veins 20 



20. Subterminal line straight across apex, meeting outer margin above Cu 2 21 



20. Subterminal line nearly straight, ending on inner margin; antemedial line 



similar, more oblique N. nasoni ( p. 109 ) 



20. Subterminal line arcuate, running across apex, or markings obsolete 24 



21. Subterminal line whitish, and cutting off a dark brown apical patch. 



C. biguttata (p. 110) 

 21. Subterminal line dark, the *vving not dark beyond it 22 



