474 PROCEEDINGS OF THE NATIONAL MUSEUM vol. los 



16. Hindwing above with dark scaling along veins restricted to the outer margin. 



T. mcrccdes (p. 497) 

 Hindwing above with dark scaling along entire length of veins. 



T. microdice microdice (p. 488) 



17. Dark scaling along either side of veins on hindwing not covering the veins. 



T. vanvolxenii (p. 495) 

 Dark scaling covering the veins 18 



18. Hindwing below with a distinct scries of fuscous, submarginal, sagittate 



markings; with white striping on veins narrow, usually covering only 



the veins T. microdice macrodice (p. 492) 



Hindwing below with fuscous, sagittate markings obsolete, sometimes 

 entirely replaced with faint red spots; with white striping on veins broader, 

 usually covering slightly more than the veins. 



T. microdice arctodice (p. 494) 



19. Ground color of hindwing white washed with yellow; submarginal sagittate 



markings on both pair of wings underneath extending to at least below 



vein Cu2 T. iheodice and its subspecies (p. 475) 



Ground color of hindwing underneath distinctly yellow; submarginal 

 sagittate markings usually absent from both pairs of wings underneath 

 or, if present, very faint and not extending below vein Cu2 (Groups D, 

 E) 20 



20. Palpi with outer surface orange T. orthodice (p. 604) 



Palpi with outer surface yellow or white 21 



21. Scales behind eyes orange 22 



Scales behind eyes white 24 



22. Outer edge of fore\ving entirely black with marginal wedge-shaped markings 



solidly colored; hindwing below with distinct orange streaks in base of 



wing below cell and on outer half of wing between veins 25 



Outer edge of forewing white except for the wedge-shaped markings, at 

 least some of which are divided in the middle by white along the veins; 

 hindwing below with orange restricted to coastal margin. 



T. invcrsa (p. 501) 



23. Hindwing below with large orange streak covering upper half of cell; fore- 



wing above with a submarginal series of connected sagittate markings. 



T. xanthcdice (p. 511) 



Hindwing below with this area yellow; forewing above lacking sagittate 



markings T. homoeodice (p. 503) 



24. Hindwing and apex of forewing below with long orange streaks between the 



veins extending from near the cell to the outer margin; veins on hindwing 



narrowly covered with dull white 25 



Hindwing and apex of forewing below lacking these orange streaks; veins on 

 hindwing broadly covered with silvery white . . T. distincta (p. 513) 



25. Outer margin of hindwing above and below bordered by a distinct but 



narrow black line T. sagittata (p. 506) 



Outer margin of hindwing below with this black line lacking or represented 

 only by short indistinct bars at the ends of the veins. 



T. stigmadice (p. 507) 



Group A. The Theodice Group 



In this group the distal end of the aedcagiis is deeply incised on 

 its ventral side only, forming a large triangular -shaped lobe on its 

 right side. 



