66 



SYNOPSIS OF THE SPECIES. 



( Expanse of wings less than one inch, 2. 



( Expanse of wings more than one inch, 3. 



( Fore wings dark brown, ...... striatellus. 



\ Fore wings yellowish brown, ..... pectinifer. 



Median vein white, 4. 



Median vein not white, 5. 



[ A dark-brown streak in the outer part of the cell, . . pexellus. 

 \ Fore wings without dark streaks, .... magnificus. 

 ( Fore wings pale salmon pink, ..... edonis. 

 5. -j Fore wings white, with numerous fine dark longitudinal 



v. lines, . repandus. 



THAUMATOPSIS MAGNIFICUS. (Plate IV., fig. 11.) 

 Propexus magnificus Fern., Can. Ent., Vol. 23, p. 30 (1891). 



Expanse of wings, 40 mm. Palpi clothed with pale fawn- 

 oolored and black scales mixed ; head and thorax pale fawn 

 colored, the latter with a dorsal whitish stripe and the inner 

 edge of the scapulae also white. Fore wings pale fawn 

 colored, and mixed more or less with darker scales, except 

 on the costal region and along the fold. The costa and 

 hind border narrowly edged with white, and the veins 

 striped with white, the median stripe being much the widest ; 

 all are more or less expanded on the outer border. Fringes 

 white, and cut by two parallel lines of pale fawn color. 

 Hind wings and abdomen very pale fuscous. Fringes 

 white. 



Habitat. Colorado. Food plants and early stages un- 

 known. 



THAUMATOPSIS PEXELLUS. (Plate IV., fig. 14.) 



Crambus pexellus Zell., Chil. et Cram., p. 48 (male) (1863). 

 Crambus macropterellus Zell., Chil. et Cram., p. 48 (female) 



(1863). 

 Thaumatopsis longipalpus Mor., Pro. Bos. Soc. N. H., Vol. 



XVIL, p. 165 (1874). 



Expanse of wings, 32 mm. Head, palpi and thorax dull 

 ochre-yellow, intermingled more or less with gray ; labial 



