LEAFHOPPERS OF MAINE. 



117 



Deltocephalus sayi (Fitch). 



Amblycephalus sayi Fitch. Homop. N. Y. State Cab. 1851. 

 Deltocephalus sayi Osborn & Ball, P. I. Acad. Sci. 1897. 



A short rather robust species dark brown to blackish with distinct 

 transverse bands on vertex and a fairly distinct band across elytra. 

 Length 2.5 to 3 mm. 



Abundant in meadows and grass lands generally. July 25 to Aug. 29th 

 at Orono, N. Harpswell August 12, common, Portland August 13, com- 

 mon, Portland (Riverton Park) August 14, common, Highmoor Farm 

 August 15, corrumon, Mt. Katahdin August 21, up to table land, 4500 ft., 

 Houlton August 24, Mar's Hill August 25, Ft. Fairfield August 26, 

 Phair August 26, Ft. Kent August 28, Mt. Desert Island August 31, on 

 Dry Mt. 



Fig. 21. Say's leafhopper (Deltocephalus sayi) : a, Adult ; b, face ; 

 c, vertex and pronotum ; d, female genitalia ; e, male g-enitalia ; /, wing ; 

 g, nymiph. All enlarged. (After Osborn and Ball.) 



Deltocephalus misellus Ball. 



Deltocephalus misellus Ball Canad. Ent. XXXI, p. 191. 

 This is quite similar to sayi but a little smaller and usually slightly 

 lighter in color. It occurs commonly on Canadian blue grass and has 

 been taken at Orono in both 1913 and 1914 in sufficient abundance so 

 that it may be considered of some economic importanice. 



