NO. 7 RICHARDS : THE GENUS BULIA WALKER 257 



D. Color dark, eastern, sexes alike . . similaris similaris 



DD. Color light, western, female with reduced pattern . . 

 similaris calif or nica 



CC. Aedoeagus without external spiculations 



D. Distal spine of aedoeagus less than one third length of 

 proximal spine. Hind wing white . . . confirmans 



DD. Distal spine of aedoeagus over two thirds length of proxi- 

 mal spine. Hind wing with lunule yellowish mexicana 



KEY TO FEMALES 



A. Sternite VH deeply indented, without median prong. Hind wing 

 white confirmans 



AA. Sternite VH indented and with median prong. Hind wing with 

 lunule yellowish 



B. Bursa copulatrix with heavily sclerotinized area on side and 

 around entrance of ductus seminalis. Prong of sternite VH 

 very broad schausi 



BB. Bursa copulatrix without contrastingly sclerotinized areas 



C. Median prong of sternite VH short and very broad. Bursa 

 copulatrix weakly spined mexicana 



CC. Median prong of sternite VH narrower. Bursa copulatrix 

 heavily spined 



D. Median prong of sternite VH long and narrow, consid- 

 erably longer than lateral lobes of sternite . deducta 



DD. Median prong not or only slightly exceeding lateral lobes 

 of sternite 



E. Median prong relatively narrow, lateral lobes broad 

 and blunt morelosa 



EE. Median prong relatively broad, lateral lobes more 

 acutely rounded 



F. Maculate like males, dark, eastern 



similaris similaris 



FF. More or less immaculate (unlike males), light, 

 western similaris californica 



