No. 34-] HEMIPTERA OF CONNECTICUT I TINGIDAE. 701 



C. pruni Osborn and Drake. 



Ohio St. Univ. Bull., xx, 231, 1916. 



Corythucha pyriformis Parshley. Can. Ent., lii, 81, 1920. 



A large, distinctly marked species, having the hood very low and 

 scarcely constricted. It feeds on wild cherry and has recently 

 been reported from Maine and New Hampshire; so that it 

 probably occurs in Connecticut. 

 C. juglandis Fitch. 



Third Rept, Trans. N. Y. St. Agr. Soc, xvi, 466, 1856. 



A species of rather small size, with faint coloration, occurring 

 on walnut and basswood. 



Scotland, 15 Aug., 1905 (B. H. W.) ; Stamford, 16 Aug., 1912 (W. E. B.). 



C. pallipes Parshley. 



In Gibson, Trans. Am. Ent. Soc, xliv, 82, 1918. 

 Corythucha cyrta Parshley, Id., 86. 

 Corythucha betulae Drake, Id., 86. 



A rather large species with broad, spherical hood, feeding on 

 birch, as a rule. The Connecticut specimens were taken on an 

 imported Salix. 



Stamford, 16 Aug., 1912 ( W. E. B.). 



C. heidemanni Drake. 



Gibson, Trans. Am. Ent. Soc, xliv, 87, 1918. 

 Corythucha borealis Parshley. Id., 92. 



Closely related to the preceding but found on alder. It is some- 

 what smaller and the hood is not so regularly globose ; occurs in 

 New England. 



Litchfield, 22 July, 1920 (P. G.). 



C. contracta Osborn and Drake. 



Ohio St. Univ. Bull., xx, 230, 1916. 



Corythucha parshleyi Gibson. Trans. Am. Ent. Soc, xliv, 83, 1918. 



This species, not as yet found in Connecticut, feeds on the wal- 

 nut; it has been reported also from Amelanchier, pecan, basswood, 

 and butternut. 

 C. mollicula Osborn and Drake. 



Ohio Jour. Sci., xvii, 12, 1916. 



Corythucha salicis Osborn and Drake. Ohio Jour. Sci., xvii, 298, 1917. 

 Corythucha canadensis Parshley. Occas. Papers Zool. Mus. Univ. Mich., 

 No. 71, 18, 1919. 



This is a very distinct species, easily recognized by the lack of 

 marginal spines and the fragmentary markings ; it is widely vari- 

 able in size. The food plant is willow. It has been found in 

 Massachusetts. 



Thompson, 19 July, 1921 (B. H. W.). 

 C. cydoniae Fitch. 



Country Gentleman, Vol. xiv, 25, 1861. 



A common species living on the hawthorn, easily recognized by 

 its small size, very dark markings, etc. 



New Haven, 9 July, 191 1 (B. H. W.). 



