THE DARK PORCELAIN. 



Argyromiges Sylvella. 

 PLATE XXX. Fig. 1. 



Tinea Sylvella, Haworth Phal. Blancardella, Don. xi. PI. 392. 



fig. 2. Argyromiges Sylvella, Curtis, Steph. 



THE family YPONOMEUTID^J, to which the present 

 genus belongs, is constituted by a numerous assem- 

 blage of small moths, the largest not exceeding an 

 inch in the expansion of the wings, while several do 

 not equal the tenth part of these dimensions. The 

 palpi are in general long and slender, and usually 

 only two in number, a character which distinguishes 

 them from the allied group, TINEID^, which possess 

 two pair of these organs. 



The name of the present genus bears reference 

 to the metallic markings which are conspicuous in 

 many of the species. It is known by having the 

 palpi very short and drooping, nearly filiform, with 

 the terminal joint compressed and obtuse, and 

 longer than the two others taken together. The 

 antennae are about the length of the wings, the 

 basal joint robust. "Wings rolled round the body 



