NO. 1376. LEPIDOPTERA OF THE KOOTENAI DISTIUCT-DYAR. 933 



CEROSTOMA RADIATELLA Donovan. 



No specimens: two in Mr. Cockle's collection, March I'T and Ai)ril 

 10, 1902. 



TRACHOMA FALCIFERELLA Walsingham. 



One specimen, August T, and two from .Mr. Cockle's c<jllection, 

 August 2S and October 20, 1902. 



HARPHYPTERYX DENTIFERELLA Walsingham. 



One specimen, August 7. 



PLUTELLA MACULIPENNIS Curtis. 



Fifteen specimens, June 1, 3, li, 18, 14, 20, ,luly 4, 11, 15, 24, and 

 one from Mr. Cockle's collection, Ma}^ 28. The larvie occurred on 

 cabbage and other cruciferous plants. 



PLUTELLA POULELLA Busck. 



No specimens; one from Mr. Cockle's collection, July 12, formed 

 Mr. Busck's type and has been retained in the National Museum. 



PLUTELLA INTERRUPTA Walsingham. 

 No specimens; one in Mr. Cockle's collection, June 24. 

 ZELLERIA GRACILARIELLA Busck. 



Nine specimens, May 31, July 19, 22, 23, 25, 20, 29. The larva? 

 occurred on Rthes Jacustre^ gregariously in a large loose wi'l) among 

 the leaves. 



Larva. — Slender, head luteous, heavih' spotted with bhuk, IxkIv 

 with a subdorsal smoky l)lack shade. The cocoon is fusiform, white, 

 in a cloud of delicate white silk with drops of Huid in it. 



ZELLERIA RIBESIELLA Busck. 



Two specimens, July 22, 25. Brinl from the same lot of larva' that 

 gave the preceding species and it is probably a variety of that. 



ARGYRESTHIA PYGM^EELLA Hiibner. 



Nine specimens, July lo, UK IS. 24, August 3, 2S (Victoria). 



ARGYRESTHIA GOEDARTELLA Linnaeus. 



Forty-thiee specimens, July 10, 31, August 5, September ;'. (Wel- 

 lington). The Wellington si)ecimens were all collected on alder, 

 which is evidently the food plant of the species. 



