Arctiidae 



The habitat of this species is the Rocky Mountains of Alberta 

 and Assiniboia. 



(4) Phragmatobia yarrowi Stretch. ( Yarrow's Tiger- 

 moth.) 



Syn. remissa Henry 

 Edwards. 



This pretty little 

 tiger - moth is found 

 from the country south 

 of Hudson Bay to FIG p ^. ^ ~ Hampson.) 



British Columbia, and 



ranges thence southward along the higher mountain ranges as 

 far as northern Arizona. 



Genus M^ENAS Hiibner 



Only one species of this rather extensive genus, which is 

 represented in South America by five species and by a con- 

 siderable number in Africa and the Indo-Maluyan region, occurs 

 in North America. 



(i) Maenas vestalis Packard, Plate XVI, Fig. 5,5. (The 

 Vestal Tiger-Moth.) 



This insect, which closely resembles Estigmene congrua, 

 figured on the same plate, may be distinguished from the latter 

 not only by structural peculiarities, but unfailingly by the 

 ordinary observer, by the presence of the two 'black spots on 

 the hind wings, as shown in our illustration. 



Genus DIACRISIA Hiibner 



This large genus, which includes over one hundred and 

 twenty-five species, according to the arrangement given in 

 Hampson's Catalogue, not reckoning the species referred to 

 the genus Isia, which he also places here, is represented in 

 our fauna by four insects, of which we give illustrations. 



(i) Diacrisia virginica Fabricius. Plate XVI. Fig. 7, $. 

 (The Virginian Tiger-moth.) 



The form figured on our plate is the slight variety named 

 fumosa by Strecker. in which the fore wings are a little dusky 

 at their tips as if they had been flying about in the smoke of 

 the furnaces at Reading or Pittsburgh. Ordinarily the species 



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