TINEIDS. 255 
and forming a pupa at the edge of the turned up leaf in a 
silken cocoon. The cylindrical larva reaches a length of 
about one-fourth of an inch; it is grayish, with a light 
brown head and a light yellow first thoracic segment. On 
the dorsal surface of the rest of the body are four longi- 
> Fig. 230.—Ornix geminatella Pack. After Comstock. 
tudinal rows of white elevations, each segment having at or 
near its middle one of these elevations in each row. Two 
similar rows of elevations are found on each side of the 
larva, and from each of these elevations arises a very long 
hair. Uponthe back of the head are found conspicuous black 
spots; upon the cervical-shield are also larger black spots; 
the true legs are black on their outside while the inside is 
grayish. As soon as full grown the larva leaves the mine 
