162 ZYG^ENID^ AND BOMBYCID.5 



l.-CYDOSIA NOBILITELLA. (Pi. 7, fig. 8.) 



Tinea iiobilitella, Cramer, Pap. Exot. Plate 264. 



Cydosia nobilitella, Westwood. 



Cvdosia nobilitella, Duncan, Nat. Lib. Ins., vol. 5, p. 193. PI 24, 



fig. 2. (1S58.) . 



5 . $ . — Flead, prothorax, thorax and abdomen dark metallic green, 

 with the following white markings. A spot on the vertex, two smaller 

 dots at the base of the antennae, and a few white scales on the front 

 and palpi. Two spots on the prothorax, two on each of the patagia, 

 and five on the disc of the thorax. Thorax beneath, and legs dark 

 metallic green, the latter largely spotted with Vv^hite. 



Primaries dark green, with metallic gloss ; basal fourth of the costa, 

 a transverse sub-basal band extending from the median vein to the in- 

 ternal margin and partially connected with the costal streak, a quadrate 

 discal spot, and a subterminal somewhat sinuate transverse band, all 

 dark metallic red-orange. Between these orange bands are a series of 

 white spots arranged as follows. A small dot at the base of the wing ; 

 two others inside the basal band ; one near the costa between this band 

 and the orange spot, and two between this spot and the subterminal 

 band ; two near the inner margin between the bands ; and a terminal 

 series outside the submarginal band, consisting of three principal 

 quadrate spots, and several minor ones. The outer margin is very 

 narrowly edged with white. Fringes blackish-green. 



Secondaries dark metallic green immaculate, somewhat blacker 

 than the primaries. Fringes dusky tipped at the apex with whitish. 



Beneath, all the wings are blackish, the narrow white margin of the 

 primaries, and traces of the white outer spots alone being visible. 

 Expanse of wings, 0.90 inches. Length of body, 0.35 inch. 

 Habitat. — Texas (Belfrage). 



For my specimens of this beautiful little insect, I am indebted to 

 Mr. George Belfrage, who took them in Western Texas, in May and 

 June. 



From certain remarks made by Messrs. Grote and Robinson, in 

 their description of C. atirivitia, it is evident that they have received 

 this insect from the same locality, and determined it as C. nobilitella. 

 It is not without hesitation that I retain the specific name here given 

 for the insect described and figured in the present number, and should 

 not do so were it not for the reference of Grote and Robinson to it as 



