16 THE CANADIAN ENTOMOLOGIST. 



CHIONOBAS BORE. 



Sir,— We have in Colorado a butterfly identical, according to the 

 determination of Dr. Staudinger (see C. E. XVIII., 15), with Chionobas 

 Bore Lehn. and Hiibner, and by the aid of Mr. David Bruce I have been 

 able the past season to rear the larvae from egg to adult stage, soon after 

 reaching which hibernation took place. This has led me to inquire into 

 Sandberg's history of Bore of Lapland, referred to by Mr. Scudder (Butt. 

 N. E., p. 126), and on writing Dr. Holland on the subject, he very kindly 

 looked up Sandberg's paper, and has sent me a translation of it. So far 

 as 1 know no translation into English has been published, and I suggest 

 that you print it in full, so that when the history of the American form is 

 published — as it will be after pupation is reached — the habits on the two 

 continents can be compared. It is already clear that our form does not 

 hibernate through two winters. The larval stages began on i6th July, 

 and the fourth (and last) moult was reached 9th September, so that their 

 duration to last moult was but about nine weeks. I hope to see pup» 

 soon after the winter passes, and shall then fully illustrate the species in 

 *' Butterflies of North America." W. H. Edwards. 



Sandberg's article is contained in the Berliner Entomologische Ze'its- 

 chrift, Vol. XXIX., 1885, Part II., pp. 245-265. It is entitled " Beobach- 

 tungen ueber Metamorphosen der Arktischen Falter." — Anglice. Obser- 

 vations upon the Metamorphoses of Arctic Lepidoptera. I gather from 

 the preliminary pages that the author was for twelve years an oflficial 

 residing in Norwegian Finmark, and that he there made the observations 

 which he records in his paper. 



I send you a translation hurriedly made of what he has to say 

 concerning Oeneis Bore at p. 247 et seg as follows : 



I. Oeneis Bore ^(^x\. 



Egg cylindrical, marble-white, longitudinally ribbed. 



Caterpillar clothed with fine hairs, bright brownish-yellow, ornamented 

 by a narrow dark dorsal line, which terminates abruptly, and two broader 

 dark lines, one upon either side. The head is globular, small in propor- 

 tion to the body, greenish-yellow, with six dark lateral stripes, and black 



