97 



much independent of the first generation, and the latter is very 

 much independent of its second generation, as well as oi Pseudar- 

 gioliis ; and, therefore, if at any point, either was suppressed, the 

 other could exist, and would solely represent the species. Which 

 accounts for the form Piasus on the Pacific, or for the single form 

 Ncglecta at London, Ont. 



Note. — Prof. Lintner, Can. Ent.,VII.,p. 122, 1875, stated that 

 Lucia had never to his knowledge been taken in the vicinity of 

 Albany, N. Y., or in that well-worked region. Centre, N. Y. ; but 

 that, at the latter locality, in some seasons Negelcta swarms in 

 myriads: "the air has seemed blue" with them. On the next 

 page, in a foot-note, it is said : " Since the publication of the 

 above, L. Lucia has made its appearance for the first time at 

 Centre. Examples of it were captured by Mr. W. W. Hill on the 

 i6th May, 1876, at this locality, where it was also captured on the 

 13th, 20th, 26th May (5 specimens)." 



In a letter to me of 22d July, 1882, Prof. Lintner says: 

 " Lucia is increasing here. A young collector showed me an ex- 

 ample taken this spring on the other side of the Hudson. He 

 says he saw several more." Mr. Lintner also sends me a ? Vio- 

 lacea taken in the Heldeberg Mountains, which are west of and 

 near Albany. 



It is plain therefore that Violacca and Lucia do fly in that 

 region, but just as plain that the flight must be a very insignifi- 

 cant one, and that it cannot possibly be the parent of the vast 

 swarms of Neglccta described. The latter must come almost 

 wholly from Ncglecta chrysalids of the year before. 



In Butterflies of N. A., Part XII., to be issued this season, I 

 shall devote two plates to the species here treated of, with all 

 its forms and many variations ; also with full larval of history. 



^- 



THE LEAF-ROLLERS OF ILLINOIS. 



By D. W. Coquillett. 



The following leaf-rollers were bred by me while living at 

 my old home near Woodstock, 111.; they all have sixteen legs and 

 belong to the families TortricidcE, Tineidce and PyralidcB. The 

 Tortricids were determined for me by Prof. Fernald ; the Tineids 

 by Prof. Fernald and Lord Walsingham, and the Pyralids by Mr. 

 Grote, and I would hereby acknowledge my indebtedness to these 

 gentlemen for aiding me in this direction. I have appended to 

 each description the initial letter of the person who determined 

 the imago for me. 



Depressaria PULVIPENELLA. Clevi. 



Body green, sometimes a darker dorsal line and sub-dorsal 

 stripe ; piliferous spots green ; cervical shield green with a black 



