THE CANADIAN ENTOMOLOGIST. 355 



145. — Hillia setiescens, Grt. 1 



146. H. vigilans, Grt. j Both very rare previous to 1903, when I 



took about a dozen specimens of each at treacle in September. The form 

 Prof. Smith calls vigilans is dark red, and except for the s. t. line and 

 discoidal spots, almost unicolorous, with conspicuously pale whitish collar. 

 Senescens is ochreous, tinged with reddish, and with all the maculation  

 evident. I had always believed them distinct, but until last year had not 

 sufficient material to enable me to press the point. I have now submitted 

 a series of each to Prof. Smith, and he considers that the names must now 

 stand for distinct species. The species sent out by me in some numbers 

 seven or eight years ago as crassis turned out to be Maviestra obscura, 3^ 

 species somewhat similar in type of maculation to my vigilans, but without 

 pale collar, and smaller and blacker. A ^ taken on Kng. ist, 1896, ot 

 size and general appearance of vigi/a?is, but almost entirely black, with 

 imicolorous collar, may perhaps have been the true crassis. Unfortunately 

 this specimen was completely destroyed in transit to Rutgers College, and 

 still requires to be duplicated. Breeding might prove senescens and 

 vigilans dimorphic forms of one species, but I very much doubt it. 



i.\-]. H. algens, Grt. — Generally distinctly rare, but, in company with 

 the two foregoing species, fairly common at treacle last year, evidently a 

 " Hillia " year. As a matter of fact, the other two species confined them- 

 selves to those fence posts treacled on a creek bottom, while algens 

 seemed rather more fond of those on the hillside. September. 



148. Hadena (Luperina) niveivenosa, Grt. Very rare. End July 

 and August, 



149. H. (L.) passer, Grt. — Very rare. End June and July. 



(To be continued.) 



NOTE ON MACRONOCTUA ONUS T A, GRT. 

 The larvne of this Noctuid moth were again found at Ottawa the past 

 season, in beds of Irises, on the grounds of the Central Experimental 

 Farm. They were not, however, at all numerous, and did not do any 

 appreciable harm this year. Two larvte were collected on July 28, one of 

 which was inflated ; the other pupated on Aug. i, the moth emerging on 

 Sept. 7. Another larva was found on Aug. 4, the moth appearing on 

 Sept. 15. The pupa of the former specimen was much larger than any 

 of those obtained in 1903, an account of which appeared in the last 

 Annual Report of the Entomological Society of Ontario. This pupa 

 measured 30 mm. in length and 7.5 in width. Arthur Gibson. 



