ORDER LEPIDOPTERA. 



151 



from slender-bodied Tortricid caterpillars; those which "mine the 

 leaves of plants are much flattened. Some Tine-id caterpillars feed in 

 the stems or roots of plants, a few produce galls, while many live in 

 "olcled leaves of herbs and trees. 



FIG. 180. Wings and 

 head of a Tineid: 

 Batrachedra. 



FIG. 181. The Angoumois grain moth 

 and larva. 



The genus Nepticula contains the smallest known moths. The 

 Angoumois grain moth (Fig. 181) eats the interior of wheat-grams m 

 granaries; it is grayish yellow, with two or three darker spots on the 



fore wings. Tinea pelliolella 

 Linn., the clothes moth (Fig. 

 182), as a caterpillar makes a 

 case of woolly fibres, and is a 

 universal pest. So also is 

 Tinea tapetzella Linn., which 

 is black on the basal half of the 

 fore wings, but white on the 

 outer half; destroys woollens. 

 Tinea, biselliella is a pale yellow- 

 ochre moth, with a reddish- 

 ochre head ; its caterpillar 



fes 



a 



FIG. 182. Clothes moth, a, larva ; 6. its 

 case, and c. its pupa. 



makes no case, though destructive to woollens, fur, dried insects, etc. 

 Tinea granella Linn. (Fig. 183) is a universal wheat pest. 



Family Tortricidae. The leaf -rolling moths are rather stout bodied, 

 with wide, oblong wings, the costal edge of the fore wings being often 

 sinuous; the antennae are simple, or finely ciliated, and very rarely 

 pectinated; the palpi are curved up against the front of the head, or 

 extended forwards, and are sometimes two or three times as long as 

 the head; the head above is rough with erect scales, while the wings 

 are often crossed with irregular lines of tufts, and there is a noticeable 

 tuft at the end of the abdomen. The legs are of medium size and 

 length, and in a few species the hind tibiae are densely clothed with 

 hair-like scales, while in some cases the males have a long tuft of 

 hairs lying in a groove along the inside of the hind tibiae (Fernald). 



The caterpillars are called leaf-rollers from their common habit of 

 folding or rolling over a portion and lining the interior with silk; 



