1911] The Ottawa Naturalist 107 



Eustroma diver silineata Hbn. Emerged 13, 16 June, 1900; 14 



Aug., 1900; 14 Aug. 1903, (Gibson); 14 Aug., 1900, (Young) ; 



12 Aug., 1904, (Fletcher). 

 Eustroma populata L. 9, 18 July, 1905, (Young). 

 Neolexia xytina Hulst. 18 July, 1904; 19 July, 1906, (Young). 

 Rheumaptera hastataL. 18 May, 1903, (Young); 24 May, 2 June, 



(Taylor), 26 June, 1906, (Gibson). 

 Rheumaptera sociata Bork. 30 May, 4 June, 1906 ; 14 June, 1907 ; 



16 Aug., 1904, (Fletcher); 4, 25 June, 1906; 14 June, 15 



July, 1907; 9 Aug., 1904, (Gibson). 

 Rheumaptera georgii Hulst. 21 July, 1906, (Young). 

 PerawpUlota fluviata Hbn. 28 July, 1908; 16 Aug., 22 Sept., 



1900, (Gibson); 15 Aug., 1899; 18 Aug., 1900, (Young). 

 Entephria aurata Pack. 27 June, 1903, (Young). 



Mesoleuca ruficillata Gn. 29 May, 3 June, 1899, (Gibson); 



31 May, 1899, (Young); 1 June, 1906, (Taylor), 5 June, 



1908, (Fletcher). 

 M esoleuca lacustrata Gn. 27 May, 1900, (Young); 1 June, 1906, 

 aylor), 9 June, 1906; 24 June, 1905; 24 June, 6, 11 July, 



1907, (Gibson); 14 June, 1907; 1 July, 1906, (Fletcher). 

 Mesoleuca intermediata Gn. 18 May, 19 July, 1904; 10 June, 



1901, (Young); 14 June, 1899, (Gibson); 17 Aug., 1906, 

 (Fletcher). 



Mesoleuca iruncata Hfn. 30 July, 1903, (Young). 

 Mesoleuca silaceata Hbn. 28 May, 1900, (Gibson) ; 2 June, 1898 ; 

 27 July, 3 Sept., 1904; 12 Aug., 1903, (Young); 16 Aug., 



1905, (Fletcher). 



Mesoleuca hersiliata Gn. 12 June, 1908, (Fletcher); 25 June, 



1899, (Gibson); 1 July, 1903, (Young). 



Mesoleuca vasiliata Gn. 18, 28 April, 9, 15, 29 May, 1899, 



(Gibson); 20 April, 1900, (Young) ; 26 May, 1906, (Taylor). 



Hydriomena autumnalis Strom. 28 May, 1900, (Young); 1 June, 



1906, (Taylor), 3 June, 1908; 12 July, 1906, (Fletcher); 

 19 June, 1908, (Gibson). 



Hydriomena basaliata Walk. 16 July, 1905; 17 July, 1904, 



(Young); 20 July, 1905, (Gibson). 

 Hydriomena contr aetata Pack. 10 Sept., 1901, (Fletcher). 

 Hydriomena latirupta Walk. 21 April, 1902, (Young); 30 Sept., 



1900, (Gibson). 

 Hydriomena muliijerata Walk. June. 



Triphosa indubitata Grt. 24 April, 21 Sept., 1900, (Young); 



25 Oct., 1900, (Gibson); 31 May, 1906, (Taylor). 

 Coenocalpe magnoliata Gn. 1 June, 1906, (Tavlor), 3 June, 1899; 



10 June, 1903; 20 Aug*., 1904, (Gibson); 5, 6, 8 June, 



1906, (Fletcher); 10 June, 1908, (Letourneau). 

 Ccenocalpe gibbocostata Walk. No date, (Fletcher). The species 



flies in early September. 



