THE REPOET OF THE No. 36 



1081. Chionaspis salicis (Linn.). — C. Salisnigrae. This species is found on 

 Leatherwood (Derca palusU-is), White Ash (Fraxinus americana) at Guelph, 

 Ontario. 



1096. Aulacaspis hoisduvalii (Sign). This species has been found in the 

 conservatories at Guelph and Ottawa. At Guelpli the writer found it very abundant 

 on several species of Palms, and at Ottawa Dr. Fletcher found it on the Orchid 

 belonging to the genus Cattleya. 



1137. Aulacaspis roscv (Bouche). Here and there all over the Dominion 

 we find this rose scale attacking rose bushes and Blackberry and Raspberry canes. 

 The plants attacked are nearly always in damp, shady places, such as overcrowded 

 gardens. Dr. Fletcher has found it common in British Columbia and Nova Scotia. 



1143. Hemichionaspis aspidistrw (Sign). It is found in conservatories at 

 Ottawa on Pteris serrulata. 



1198. Aspidiotus abietis (Schr.). The Balsam Aspidiotus has a wide range 

 in Western Ontario. It is found on. Hemlock (Tsuga occidentalis) and Balsam 

 (Abies halsamea). In the woods at Guelph this species is very abundant. 



Aspidiotus hyhridumf This peculiar scale is found very abundantly on 

 Willow and Balm of Gilead at Collingwood, Ontario. This species very closely 

 agrees with Aspidiotus juglans-regice and Aspidiotus ostrceformis, although it is 

 not exactly like either one of them, and Prof. Marlatt, believes that it is a hybrid 

 or cross between these two species. Judging from the infestations, I believe that 

 this species has several generations in a season. It is a very destructive pest and 

 nearly every tree around the fair grounds at Collingwood was attacked and many 

 limbs and trees were dead. 



1199. Aspidiotus cesculi (Johnson). This species is very common in Western 

 Ontario. It has been found at Guelph, Brantford and Toronto on Basswood {Tilin 

 americana) and Horse Chestnut {Msculus hippo castamvm) . 



1200. Aspidiotus ancylus (Putn.). The Putnam Scale is distributed fairly 

 widely throughout Ontario. Quebec and N"ova Scotia. It has not, however, been 

 known to do much damage, although in some of the States across tbe boundary 

 it is said to have been quite destructive. It is recorded from Ottawa on Elm ; from 

 Toronto on Willow; and St. Catharines on Plum; from Guelph on Cherry and 

 Apple; from East Essex Co. on Plum and Shell-bark Hickory. 



1220. Aspidiotus diffinis (N"ewst). This was found in the woods on Bass- 

 wood (Tilia americana) at several places in Western Ontario. Mr. King thinks 

 that this species may prove to be a variety of A. diffinis. M 



1229. Aspidiotus forhesi (Johnson). The Cherry Scale, although found in 

 several localities in Ontario, has not yet, with one or two exceptions, been reported 

 as doing much damage. It has been found in Ontario, at Ottawa, London, St. 

 Catharines, Grimsby and Prince Edward County. It is also recorded for Nova 

 Scotia and Quebec. The host plants so far discovered are Cherry, Apple, Hawthorn, 

 Fragranr Currant and Beech. 



1233. Aspidiotis liederw (Vail.). This species has been reported from nearly 

 all the Provinces of the Dominion. It is confined to conservatories and house plants. 

 It is a common species on Palms, Ivy, etc. 



1239. Aspidiotus juglatis-regim (Comst.). The English Walnut Scale has 

 been found in Ontario in only two or three localities, although it probably exists 

 in several other parts and also in the other provinces. The host plants so far dis- 

 covered in Ontario are Apple, Willow and Poplar. 



1250. Aspidiotus oshorni (Newell and Ckll.). Osborn's Scale is found on 

 forest trees in northern and western Ontario. It has been found on Paper Birch 



