CLEAR-WING MOTHS OF FAMILY AEGERIIDAE 137 



Female genitalia with a rather long ductus ; bursa elongate ovate, finely 

 transversely wrinkled; signum a straight longitudinal row of dots, which 

 are thickened spots of the tranverse wrinkles. 



The genotype is figured on plate 2, figure 17; plate 10, figures 48, 48a; 

 and plate 15, figure 78. 



KEY TO NORTH AMERICAN SPECIES AND FORMS OF PARANTHRENE 



Forewing opaque, violet-black; hindwing transparent; abdomen of male with 4, 



of female with 3, yellow bands tricincta tricincta (Harris) 



Abdomen with 4 broad and 2 narrow yellow bands. 



tricincta form denotata (Hy. Edwards) 



.\bdomen nearly all yellow tricincta oslari, new form 



Hindwing opaque except at base; abdomen brown doUii dollii (Neumoegen) 



Abdomen chestnut-brown dollii form castanea (Beutenmiiller) 



Abdomen brown, banded with yellow dollii f asciventris, new form 



Forewing ochreous-yellow; abdomen yellow, 3 basal segments black. 



robiniae robiniae (Hy. Edwards). 

 Forewing fuscous, abdomen deep ochreous. . .robiniae form perlucida (Busck) 



Forewing and abdomen pale yellow robiniae form palescens, new form 



Forewing black, vitreous at base; abdomen yellow and black. 



simulans simulans (Grote) 

 Abdomen jellow with narrow black annulations. 



simulans form luggeri (Hy. Edwards) 



Forewing and abdomen orange palmii (Hy. Edwards) 



Forewing of male transparent, of female opaque, except for lower margin; ab- 

 domen brown with yellow bands asilipennis (Boisduval) 



Forewing and hindwing orange; abdomen black, .fenestrata Barnes and Lindsey 



PARANTHRENE TRICINCTA (Harris) 



Acgcria tricincta H.A.RRIS, Amer. Journ. Arts and Sci., vol. 36, p. 310, 1839. — 

 Walker, List of the specimens of lepidopterous insects in the collection of the 

 British Museum, pt. 8, p. 41, 1856. — Kellicott, Bull. Buffalo Soc. Nat. Sci., 

 vol. 4, p. 62, 1882. — Packard, Insects injurious to forest and shade trees, U. S. 

 Ent. Comm. Bull. 7, p. 121, 1881; 5th Rep. U. S. Ent. Comm., p. 444, 1890.— 

 Kellicott, Can. Ent., vol. 13, p. 3, 1881.— Fyles, Can. Ent., vol. 16, p. 220, 1881 ; 

 Rep. Ent. Soc. Ontario for 1884, p. 24, 1885. 



Trochiliuni tricincta Morris, Synopsis of the described Lepidoptera of North 

 America, p. 436, 1862. 



Scsia tricincta Bolsduval, Histoire naturelle des insectes : Species general des 

 lepidopteres heteroceres, vol. 1, p. 436, 1874. 



Sciapteron tricincta Grote, New check list of North American moths, p. 11, 1882. — 

 D.wis, Insect Life, vol. 4, p. 66, 1891.— Kellicott, Can. Ent., vol. 24, p. 209, 

 1892; Insect Life, vol. 5, p. 82, 1892.— Beutenmuller, Bull. Amer. Mus. Nat. 

 Hist., vol. 8, p. 120, 1896; vol. 9, pp. 213, 218, 1897. 



Memythnts tricinctus Beutenmuller, Mem. Amer. Mus. Nat. Hist., vol. 1, pt. 6, 

 p. 247, pi. 33, fig. 9 (female), 1901. 



Paranthrene tricincta McDunnough, Check list of the Lepidoptera of Canada and 

 the United States of America, pt. 2, No. 8792, 1939. 



Male. — Antennae strong, broadly bipectinate, violaceous-black above; 

 ferruginous beneath and at the tips. Labial palpus very rough, yellow on 

 the inner side toward tip, black on the outer side and at base ; terminal 



