171 



them crawling about over sacks containing roots of dandelion — moths, 

 in fact, being found in the bags ; we found numerous larvae infesting 

 wheat in the Atlanta Exposition building in 1884; large numbers of 

 larvae were also found in a jar containing Chickasaw plums at the 

 same exposition; larvae were received from Bipley, Miss., on two occa 

 sions in 1885, some of which were said to have been found feeding on 

 sugar in barrels; one specimen was bred from dry Opuntia from Texas 

 larvae were received from Detroit, found among old books ; larvae 

 of all sizes were found infesting Pecan nuts in St, Louis, in September 

 1872 ; moths were bred by Dr. A. W. Hofmeister in Iowa from Cinua 

 mon bark ; moths were bred from English walnuts in St. Louis in 1876 

 and the species in all states was found 

 abundantly in a wheat warehouse in Alex- 

 andria, Va., in 1883. Moreover, in 1873, at 

 St. Louis, one of these moths was bred 

 from old woolen stuff in company with 

 Tineola biselliella, but there is some doubt 

 connected with this case. 



We have figured the states of interpune- 

 tella (Fig. 30) in comparison with those of 

 Jcilhniella (Fig. 28), in order that both may 

 be readily recognized. The early states 

 are quite similar in appearance, but the 

 larvae may be distinguished by the follow- 

 ing characters : 



The larvae of Mlhniella are more slender and of a more uniform diam- 

 eter than those of the other species. The abdominal legs are longer, 

 cylindrical, with a circular fringe of hooklets at the crown. In inter- 

 punctella the legs are short, conical, with the fringe of hooklets at the 

 crown oval. All piliferous warts- in Jcilhniella, most of which are rather 

 minute, are still rather prominent, readily observed, and of a black or 

 brown color. Those most conspicuous are the lateral ones, in front of 

 the first spiracle; the subdorsal one, each side of the mesothorax^ 

 almost completely encircled by a narrow black ring interrupted only at 

 its upper margin (Fig. 28d). In interpnnctella all the warts, while pres- 

 ent, are concolorous with the rest of the body, and can be distin- 

 guished only with great difficulty. The surface of the body of Mhniella 

 is almost perfectly smooth, while that of interpnnctella is somewhat 

 granulate. 



^M^^^M^ 



a- 



Fig. 30. — Ephestia interpunctclla : a, 

 larva; b, pupa; c, adult — enlarged; 

 d, head and thoracic joints of larva- 

 still more enlarged (original). 



