NORTH AMKUICAN LEPIDOPTKRA. 199 



dots almost black, a blackish shade at base atid terminall.y. Secondaries brown, 

 paler at base. Thorax dark brown, darker than the qnatlrate patch, wiiich is 

 ocherous brown, uniform. Expanse 50 mm. 



Hub. — Florida. 



1>. p<>r!>ipiciia Grote and Robinson. 



18()t.— Grote and Robinson, Proc. Ent. Soc. Phil. vol. iii, \>. 489. 



1891. ^Dyar, Can. Ent. vol. xxiii, p. 82. 



Light ocher-yellow. not irrorate, the markino;s and fringe clear yellowish 



brown, distinctly contrasted. Lines 1 and .5 distinct, the others more obscure 



and disappearing costa-wards. Outer discal dot very large and spreading. Hind 



wings very pale straw color. Thoracic patch ocherous browu. Exp. 40— oO mm. 



Hab. — Atlantic States westward to Montana. 



I>. robiiMta Strecker. 



1878.— Strecker, Lep. Pt. 14, p. 131. 



1890.— Dyar, Ent. Amer. vol. vi, p. 131. 

 Slightly duller yellow than perspicua, and heavily irrorate with brown .scales. 

 Lines as in perspicua, the median (cubitus) and internal (anal) veins marked 

 with brown. Discal dots as in perspicua, but sharing in the somewhat grayish 

 tint of the whole wing. Secondaries largely tinged with brown outwardly. 

 Thorax creamy-buflF, the patch pale ocherous or slightly brownish, frequently 

 appearing brighter than the thorax. Expanse 45 mm. 

 Hab. — Texas. 



D. iiiteift'rriiiia Grote and Robin.son. 



1886. — Grote and Robinson, Proc. Ent. Soc. Phil. vol. vi, p. 12. 

 1888. — Beutenmiiller, Can. Em. vol. xx, p, 134. 

 Dark reddish brown, usually without any purplish tint, slightly ocherous 

 along costa. The lines are distinct and bordered outwardly by conspicuous pale 

 shades. Discal dot obscure, as in palmii and fioridana. Thoracic patch ocherous 

 brown, darker posteriorly. Secondaries pale at base. Expanse 35 — 40 mm. 

 Hib. — Atlantic States westward. 



I>. coiitracta Wa!ker. 



18,55.— Walker, Cat. Brit. .Mus. Pt. v, p. 10(j2. 



1890. — Beutenmiiller, Ent. News vol. i, p. 144. 

 Light ocherous, .slightly darker on costa of fore wings; irrorations and lines 

 blackish, diffused and scattered, contrasting with the deep brown fringe. Discal 

 dots rounded, moderately distinct, blackish. 



Hab. — Atlantic States westward. 



Genus IWystalea Guenee. 

 1852. — Guenee, Spec. Gen. Lep., Noct. vol. ii, p, 122. 



^. iiidiaiia Grote. 



1884.— Grote, Papilio vol. iv, p. 7. 

 Anterior part of thorax with a dull yellowish patch as in Datana, bordered 

 by black ; the rest gray. Fore wings much elongated ; autennse simple, ciliate, 

 the cilia longer at base, a tuft on each joint at each side. Primaries cinereous, 



TRANS. AM. ENT. SOC. XXI. JUNE, 1894. 



