46 I Canadian Arctic Expedition, 1913-18 
Genus Pyla Grt. 
Pyla arctiella, n. sp. 
Palpi black with white scaling; head, thorax and body blackish with bronzy- 
green iridescence and dusted with white scales, body particularly so on venter, 
sides and posterior half of dorsum. Primaries dark brown with bronzy-green 
iridescence and rather heavily dusted throughout with white scales. T.a. 
line white, wide, almost straight, slightly bent outwardly at centre. T.p. line, 
white, wide, from costa near apex inwardly oblique to near centre of wing, 
then continuing in an outcurve to above vein lb and then outwardly oblique 
to inner margin. Secondaries pale brownish. Fringes on all wings pale brown- 
ish. Legs dark brown, white-scaled. . 
Wings beneath smoky-brown, paler along costa and near apex. 
Alar expanse, 20 mm. 
Type, a female, (PI. V, fig. 13), from Collinson point, Alaska, July 17, 1914 
(F. Johansen), in the Canadian National collection. 
The generic determination was made by Dr. Dyar. This new species 
which is represented by one specimen, is, according to Dr. Dj^ar's table, close 
to bistriatella Hulst. 
FAMILY EUCOSMID^. 
Genus Eucosma Hbn, 
Eighteen specimens from the following localities: Nome, Alaska, August 
24, 1916, 4 specimens (F. Johansen); west of Konganevik, Camden bay, Al- 
aska, July, 1914, 5 specimens (F. Johansen); north side of big lake west of 
Konganevik, Camden bay, Alaska, end of June, 1914, 4 specimens (F. Johansen) ; 
Barter island, northern Alaska, June 27, July 11, 1914, 4 specimens (D. Jenness) ; 
Bernard harbour. Northwest Territories, July, 1915, 1 specimen (F. Johansen). 
Unfortunately the above specimens are in a poor state of preservation. 
Eleven of them were submitted to Mr. August Busck, of the United States 
National Museum and were referred to the genus Eucosma. 
Other Microlepidoptera. 
In addition to the specimens of the genus Eucosma a small number of 
other examples of microlepidoptera were collected by Mr. Johansen at Bernard 
harbour, Northwest Territories, July and August, 1915; cape Bathurst, North- 
west Territories, July, 1916, and Ketchikan, southeastern Alaska, September, 
1916. All of the specimens, however, are in very poor condition. 
FAMILY HEPIALIDAE. 
Genus Hepialus Fabr. 
Hepialus species. 
Two specimens were taken at Latouche, southern Alaska, September 3, 
1916 (F. Johansen). 
^ These specimens are in very poor condition ; the primaries of one are missing 
and the other specimen is much rubbed and otherwise broken. 
