8 PROCEEDINGS OF THE NATIONAL. MUSEUM vol. 71 



17. Small; 15-18 mm. ; dlscal dot distinct venosalis (Dyar) (p. 22) 



Large; 25-36 mm.; discal dot not contrasted grandiosella Dyar (p. 25) 



18. Dotted cross lines present 19 



Cross lines absent 20 



19. Cross lines almost normal, though dominated by the vein linings. 



ffuscella Schaus (p. 22) 

 jindigenella Dyar and Heinrich (p. 13) 

 Cross lines formed by intensified vein-streaks bellifactella Dyar (p. 26) 



20. Ground color yellow or yellow-brown 21 



Istrigipennella Dyar (p. 27) 

 cayennella Dyar and Heinrich (p. 27) 

 anathericola Dyar and Heinrich (p. 21) 

 Ipallidostricta Dyar (p. 16) 

 schausella Dyar and Heinrich (p. 24) 

 busckella Dyar and Heinrich (p. 16) 



Markings generally uniform 22 



flineolata (Walker) (p. 24) 



22. Ground color light yellow jmoorella Dyar and Heinrich (p. 17) 



[muellerella Dyar and Heinrich (p. 25) 

 Ground color dark brownish shaded angustella Dyar (p. 17) 



KEY TO THE SPECIES OP DIATEAEA ON CHARACTERS OF THE GENITALIA — .MALES 



1. Tegumen with lateral lobes 2 



Tegumen without lateral lobes 7 



2. Harpe with knob-like projection from base of costa 3 



Harpe without costal projection evanescens Dyar (p. 18) 



3. Lateral lobes with apices broadly rounded 4 



Lateral lobes with apices pointed 5 



Lateral lobes with apices truncate magnifactella Dyar (p. 14) 



4. Lateral lobes broad, as broad as long saccharalis (Fabricius) (p. 11) 



Lateral lobes narrow, longer than broad tabernella Dyar (p. 15) 



5. Lateral lobes subtriangular and bluntly pointed. 



busckella Dyar and Heinrich (p. 16) 

 Lateral lobes triangular and rather sharply pointed 6 



6. Basal costal lobe of harpe finely scobinateJ „ ^ \ J^ . . , / ^r,^ 



[moorella Dyar and Heinrich (p. 17) 



Basal costal lobe of harpe coarsely scobinate guatemalella Schaus (p, 14) 



Basal costal lobe of harpe somewhat roughened, but not scobinate. 



pedibarbata Dyar (p. 12) 



7. Anellus with well developed central projection 8 



Anellus without central projection 11 



8. Uncus bilobed and with broadened apex bellifactella Dyar (p. 26) 



Uncus beak-like, with apex pointed 9 



9. Central projection of anellus finely spined; a single projection from 



costa of harpe strigipennella Dyar (p. 27) 



Central projection of anellus smooth ; a double projection from costa 

 of harpe 10 



10. Hook-like projection from extreme base of costa of harpe, broad, flat- 



tened and serrate cayenella Dyar and Heinrich (p. 27) 



Hook-like projection from base of costa, narrow, rounded and smooth 



castrensis Dyar and Heinrich (p. 28) 



11. Lateral arms of anellus greatly broadened toward apices. 



lineolata (Walker) (p. 24) 

 Lateral arms of anellus not broadened toward apices 12 



