THE CANADIAN ENTOMOLOGIST 159 



ON SOME TINGID^ NEW TO THE FAUNA OF CANADA (HEMIP.). 



BY CARL J. DRAKE, SYRACUSE, N.Y.* 



Corythucha salicis Osborn and Drake. 



Specimens of this insect were taken on willow, Salix discolor, at Aweme 

 Manitoba, Aug. 13, 1918, by Mr. N. Criddle; other specimens were collected 

 at Trenton, Ontario, Sept. 11, 1910, by Mr. Evans. From the United States 

 specimens are at hand from Montana, Wisconsin, New York, Massachusetts 

 and New Jersey. The known food plants are willow, Salix spp., and currants; 

 Ribes sp. 

 Corythucha elegans Drake. 



Mr. H. Groh took a few specimens of this species at Ottawa, Ontario, Oct. 

 13, 1908, on poplar, Populus halsaniifera; two specimens were collected in Ontario, 

 July 27, 1903, by Mr. Evans. One specimen is before me that bears the locality 

 label '^^lich." The type specimens are from Colorado. During the summer 

 of 1917 and 1918 the writer noted hundreds of specimens, adults, nymphs and 

 eggs, on willow in the vicinity of Cranberry Lake, New York. 

 Corythucha padi Drake. 



Chilliwack, British Columbia, collected by Prof. F. C. Ewing. This insect 

 breeds upon the western choke cherry, Prunus demissa. Specimens have been 

 examined from Oregon, Washington, Idaho and Montana. 

 Corythucha parshleyi Gibson. 



Several specimens, collected on walnut (Juglans nigra), butternut (Juglans 

 cincerea), Japanese walnut {Juglans sibholdiana) and juneberry {Amaelanchier 

 intermedia) . It is a common insect in the eastern part of United States, rang- 

 ing from Canada to North Carolina. 

 Corythucha heidemanni Drake. 



Two specimens, collected at Ottawa, Canada, by Mr. W. H. Harrington. 

 This is a common insect that infests birch in the vicinity of Cranberry Lake, 

 New York. 

 Corythucha betulae Drake. 



Two specimens from Ottawa, Canada, collected by Mr. Harrington, 

 Thousands of specimens, adults, eggs and nymphs, have been seen by the writer 

 on yellow birch, Betiila lenta, in Adirondack Mountains, near Cranberry Lake, 

 New York, during the summers of 1917 and 1918. Two specimens have also 

 been examined from Maine. 

 Corythucha immaculata Osborn and Drake. 



Lilloet, British Columbia, collected by Mr. A. W. A. Phoir. This species 

 infests balsam root, Balsamorrhiza sagittata. Specimens are at hand from 

 Oregon, Washington, Idaho, Montana and California. 

 Corythucha hewitti, new species. 



Four specimens, taken on hazelnut, Corylus americana, October 8, 1918, 

 at Aweme, Manitob.-t, by Mr. N. Criddle. Length 2.78 mm.; width 1.5 mm. 

 Type and paratype in the National Collection of Insects, Entomological Branch, 

 Ottawa; paratype in the author's collection. Named in honour of Dr. C. Gordon 

 Hewitt, Dominion Entomologist. 



Hood moderately elevated, the length slightly less than twice its height. 



♦Contribution from the Department of Forest Entomology, the New York State College 

 of Forestry, Syracuse, New York. 

 June. 1919 



