NO. 1506. REVISION OF MOTH GENUS ARGYRESTIIIA—BUSCK. 9 



1.'^. Alar expanse half an inch or more 14 



Alar expanse less than halt" an inch 17 



1 4. F( )re wings with white dorsal path 15 



Forewings uniformly lead colored altiysimella p. 17 



15. With distinct dark dorsal spot 16 



AVithont such spot montella p. 19 



1<). Dark dorsal spot crossing white area conjagelln p. 17 



Dark dorsal spot not crossing white area bel<nujcrel/<c p. 18 



17. Ground color of costal part of forewings darker than dorsal part 18 



Ground color of entire wing white 19 



18. With dark brown dorsal streak rUciella p. 20 



Without such streak plicipiitictil/a y. 19 



19. With complete transverse oblique fascia 20 



Without such fascia 22 



20. With large dark costal streak preceding the fascia (tustirel/a i>. 22 



Without such costal streak 21 



21. Basal jjart of costal edge suffused with brown nndulatt'lhi ]>. 22 



Costal edge white l>i)Uidlu p. 21 



22. Alar expanse 11-12 mm., veins 7-8 in forewings sepai-ate jwdmonfelld p. 21 



Alar expanse 8-9 mm. , veins 7 and 8 stalked tliniella j). 23 



ARGYRESTHIA QUADRISTRIGELLA Zeller. 



Plate IV, tig. 1. 



Argi/rt»thkt qnadrisirigeUa Zeli.er, Verb. zool. bot. gesell. Wien, XXIII, 1878, 

 p. 304.— Frey and Boll, Stett. Entom. Zeitung, XXVIII, 1877, p. 209.— 

 Chambers, Bull. U. S. Geol. Surv., IV, 1878, p. 130.— Dyar, Bull. 52, U. S. 

 Nat. .AIus., 1903, No. 6468. 



Labial palpi whitish. Antenna^ white anniilated with black. Face 

 and head light golden 3"ellow\ Thorax g-olden. Forewings golden 

 white with the base, tip, and four nearl^^ straightedged transverse 

 fascia^ dark golden yellow. Cilia golden. Hindwings light gray. 

 Forewings with veins 7 and 8 stalked. 



Alar expanse. — 10 mm. 



A very characteristic species, which can not easily be confounded 

 with any other and at once recognized by the golden thorax and the 

 four sharply defined golden fascia'. The type is in Museum of Com- 

 parative Zoology in (^am bridge. 



IMJtat.— Texas (Boll). 



Boll obtained his specimens of this species, among which the type, 

 by beating Jiinlperus vlrginiana in March, and it is probable that this 

 is the food plant of the species. 



ARGYRESTHIA THORACELLA, new species. 

 Plate IV, %. 2. 



Labial palpi, face and head pure white; antennte Avhite with black 

 annulations. Thorax light golden j^ellow. Forewings silvery pearly 

 white with light golden markings as follows: A basal patch, a broad 

 transverse fascia a ])asal third, somewhat wavy in outline and bulging 



