

Vol. XLIII. LONDON, OCTOBER, 1911. No. 10 



FURTHER NOTES ON ALBERTA LEPIDOPTERA. 



BY F. H. WOLLEY DOD, .MILLARVILLE, ALTA. 

 (Continued from page 327.) 



209. Nodiia rosaria Git. — I consider this identical with European 

 rw^/ Viewag. In my earlier collecting days in Alberta I seemed to recognize 

 in what I was taught to call rosaria^ the familiar riibi so common neaily 

 everywhere in England. Lnoted them as probably identical after studying 

 the British Museum material in 1909, and have now European and Calgary 

 specimens in my collection which match exactly. The late C. G. Barrett 

 claims that they are identical in his "Lepidoptera of the British Isles" 

 (IV, p. 90), though in many cases his associations of European with North 

 American species are unjustified. Sir George Hampson keeps them dis- 

 tinct, ascribing to rosaria in the table dark streaks on the veins, stated to 

 be lacking in ruhi. This is a variable character in rosaria^ of which, 

 besides a long local series, I have three from Kaslo and over thirty from 

 Vancouver Island. 



Sir George Hampson still confuses Calgary specimens oi rosaria with 

 ca/gary Smith. Long familiarity with both in a state of nature would 

 doubtless obviate this. They seem quite easily separable, and the differ- 

 ences pointed out in my former notes hold, except that I have since 

 occasionally found rosaria with black in the cell. 



A much nearer ally of rosaria '\s perumbrosa Dyar. Though there 

 can be no doubt of their distinctness, the differences are hard to express 

 in words. Perumbrosa and its eastern ally, rubifera, as I understand it, 

 have varying shades of red and brown, but entirely lack the rosaceous tint 

 of all rosaria that I have seen. The colour is also much more even 

 throughout, whereas in rosaria the submedian and subterminal spaces 

 are usually slightly, though rarely contrastingly, paler than the rest of the 

 wing. The cross lines m perumbrosa, though indistinct, are finer and less 

 diffuse. Structurally the thorax and abdomen are less robust, and the 

 fore wing has both costa and hind margin more rounded. 



