144 MAINE AGRICULTURAL EXPERIMENT STATION. I915. 



A single specimen taken at Portland Aug. T3th is the basis for our 

 record this being taken from grass in or near the salt marsh at tide 

 level. In this specimen the last ventral segment is cleft entirely to base 

 and the inner margins of the resulting lobes are nearly parallel, the 

 irmer angles right angled, but unless these slight differences should be 

 found constant in a full series it would not suffice to separate it as dis- 

 tinct. The species has been found abundant in Ohio and may be an 

 economic species but it must be infrequent in Maine and needs no 

 economic discussion at present. 



Chlorotettix unicolor Fitch. 



Bythoscopus unicolor Fitch. Homop. N. Y. State Cab. p. 58, 1851. 



Athysanus unicolor Southwick. Science XIX, 288, 1892. 



Chlorotettix unicolor Van Duzee. Psyche, VI, 306, 308, 1892. 



Light green, the wings hyaline, head broadly rounded and wider than 

 pronotum. Length 7-8 mm. 



This widely distributed species is the most abundant of the genus in 

 Maine and often occurs in such abundance on the rank grasses of low 

 ground and salt marshes as to be of economic interest. Orono, July, 

 1905, on strawberry, July 22, 1913, willow July 30th, North Harpsiwell 

 Aug. I2th, Portland Aug. 13. Very plenty on Marsh Meadow and ad- 

 jacent higher ground on coarse grass, timothy, etc., Riverton Park Aug. 

 15th, HighmooT Farm Aug. isth, Mt. Katahdin Aug. 22, Houlton Aug. 

 24, Fort Kent Aug. 28th, Grand Lakes Stream Aug. 15th, (A. P. Morse) 

 Princeton Aug. i6th, (A. P. M.). 



Chlorotettix tergatus Fitch. 



Bythoscopus tergatus Fitch. Homop. N. Y. State Cab. 58, 1851. 

 Athysanus tergatus Southwick. Science XIX, 288, 1892. 

 Chlorotettix tergatus Van Duzee. Psyche, VI, 306, 309, 1892. 

 Slightly smaller than unicolor and smoky yellowish rather than gfeen, 

 the head obtusely rounded in front. Length 8 mm. 



This species has been taken only at Mt. Katahdin near the base at 

 an altitude of about 1500 feet and at Portland on coarse grass near the 

 tide flats. It is too scarce to be of any economic importance. 



Chlorotettix lusoria Osborn and Ball. 



Chlorotettix lusoria O. & B. Iowa Acad. Sci. Proc. IV, 226, 1896. 



This looks very much like tergatus in color and in size but the head 

 is much more pointed the vertex being much longer at middle than 

 next the eye. Length 7-7.5 mm. 



This appears to be quite rare in Maine, one specimen being taken 

 at Orono, Aug. 6th, and one at Mt. Katahdin, 10O0-1400 ft., Aug. 22. 

 The locality farthest to the east hitherto recorded is eastern N. Y. 



