PL. CXXXVI 



regularly checkered fringes of the fore wing and the different 

 arrangement of the spots on the under side. Expanse 1.20- 

 1.40 inch. 



Larva feeds on columbine (Aquilegia). Ranges from New 

 England to Georgia, and westward through the valley of "the 

 Mississippi. 



(4) Thanaos juvenalis (Fabricius), Plate CXXXVI, Fig. 1, $ 

 (Juvenal's Dusky-wing). 



A large species with translucent spots arranged as an in- 

 terrupted band beyond middle of wing. Expanse 1.35-1.60- 

 inch. 



Ranges from Quebec to Florida and westward to Arizona. 



(5) Thanaos petronius Lintner, Plate CXXXVI, Fig. 2, <? 

 (Petronius' Dusky- wing). 



Somewhat resembling the preceding, but translucent spots 

 much fewer in number and upper side much darker. Under 

 side uniformly dusky with few light spots. Expanse 1.50-1.75 

 inch. 



Confined to Florida so far as known. 

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