THE CANADIAN KNTOMOLOGJST. 35 



I have named this insect in honour of Dr. A. S. Packard, who first 

 called attention to its occurrence on strawberry plants at Amherst, Mass. 



All stages described from numerous specimens. Types of pupje and 



adults deposited in the collection of the Massachusetts Agricultural 



College. 



Bibliography. 



Aleurodes vaporarium, Pack. Am. Nat., Vol. IV., p. 686 (1871). 



Aleurodes vaporarium, Pack. Guide, p. 712 (1883). 



Aleurodes vaporarium (?), Garman. Ann. Rept. Ky. Exp. Sta., 



p. 37 (1890). 



Aleurodes vaporarium (?), Garman. xAgric. Science, Vol. V., p. 264, 



(1891). 



Aleyrodes, sp. (?), Riley. Insect Life, Vol. II., p. 17, (1892). 



Aleurodes sp. (?), Webster. Ann. Rept. Ohio Exp. Sta., p. xxxv. 

 (1894). 



Aleyrodes vaporariorum, Britton. 19th Rept. Conn. Exp. Sta., p. 203 

 (1896). 



Aleyrodes sp. (?), Slingerland. Bui. 19, Cornell Exp. Sta., p. 155 

 (1901). 



Aleyrodes vaporariorum (?), Britton. Bui. 140, Conn. Exp. Sta., pp. 



3, 10, 14, 17 (1902). 



Explanation of Plate 2. 



(All Figs, greatly enlarged.) 

 Fig. I.— Egg. 



Fig. 2. — First instar. 



Fig. 3. — Right hind leg, first instar. 



Fig. 4.- -Dorsum of the pupa. 



AN ACKNOWLEDGMENT. 

 I desire, on behalf of the Entomological Society of Ontario, to 

 publicly acknowledge its indebtedness to Mr. H. Bird, Rye, N. Y., for a 

 series of recently-bred specimens of Hydrmcia, and his magnanimous 

 liberality in so freely parting with such rare species for its benefit, that 

 cost him so much patient labour, valuable time and industrious research to 

 secure. The expertness he has attained in discovering the food-plants 

 and obscure breeding habits of this difficult genus is remarkable ; whilst 

 the perfection of scale and colour in the specimens that leave his hands is 

 indescribable, and must be seen to be fully realized. 



J. Alston jMokfat, Curator. 



