﻿32- 



The following table may be of some use in separating- the species: 



?. I. Exterior margin of primaries excavate between the veins. 



A. Color entirely smoky, or blackish brown angusii G. & R. 



B. Color yellowish brown, or paler. 



a. Discal spots faint or absent, size medium. 



1. Color yellow-brown ministra Dru. 



2. Color pale testaceous californlca Riley. 



6. Discal spots distinct, size large. 



1. A distinct fulvous costal shade drexelii Hy. Edw. 



2. Wings nearly unicolort)US, tawny reddish brown . . major G. & R. 

 'i 2. Exterior margin of primaries entire. 



A. Discal spots not large, inconspicuous, or absent. 



a. Fore wings with more or less of a purplish or lilac color. 



1. Fore wings dull whitish li'ac, more or less covered with cinnamon- 



brown scales palmii Heut. 



2. Fore wings dark ])rown, with a purplish flush . . . floridana Graef 

 d. Fore wings without such color. 



1. Thoracic patch oclierous Uiodesta Beut- 



2. Thoracic patch dark brown. 



Fore wings dark reddish brown, lines and fringe concolorous. 



integerrima G. .S: R. 

 Fore wings luteous tawny, the lines and fringe not concolorous. 



contracta Walk. 



B. Discal spots, especially the outer, very large and distinct. 



a. Thoracic patch tawny brown persplcua G. & R. 



/i. Thoracic patch as pale, or even paler than the rest of thorax. 



robusta Strk. 



I subjoin also the table for the larva given by Mr. Beutennuiller 

 in the "Canadian Entomologist," (vol. xx, p. 135) having added 

 two species. The larvre of D. modesta and D. robusta are still un- 

 known, while concerning that oi D. califoniica nothing has yet been 

 published. 



'i I. Stripes narrower than the intervening spaces. 



Body black, stripes sulphur-yellow ministra. • 



Body black, stripes citron-yellow, confluent posteriorly .... drexelii. 



Body black, stripes very fine, pale yellow augusii. 



Body black, .stripes yellow, head and plates light red palmii. 



Body black, stripes white, usually partly obsolete or absent integerrima. 



\ 2. vStripes as wide or wider than the iutervening spaces. 



Body black or red, stripes bright lemon-yellow perspicua. 



Body black, stripes creamy white COntracta. 



Body black, stripes yellowish, head and anal plates red .... floridana. 



Piody black; stripes broken into sjiots, bright yellow or white; head and anal 



plates red major. 



