324 THE UNIVERSITY SCIENCE BULLETIN. 



times the green is largely replaced by the fulvous. The cross veins 

 between Rs and R4+-, and between the latter vein and Mi are distinctly 

 darkened. The basal areoles of the fore wings for the most part are 

 greenish; flaps of fore wings dark gray, those of hind wings lighter. 

 Beneath the body is entirely pruinose with the exception of the black 

 median portion of the abdomen. The opercula are paler than the rest of 

 the body. The legs are fulvous, becoming paler apically. 



Form : The following are the measurements in millimeters of the 

 specimens at hand : 



Length of body 31 to 34 



Width of head 14 to 15 



Expanse of fore wings 100 to 102 



Greatest width of fore wing 14 to 15 



Greatest width of operculum 6 . 5 to 7 



Greatest length of operculum 9 to 10 



The opercula are about as broad as long, excluding the extension be- 

 yond the coxal cavity. They overlap medially and the posterior margins 

 are broadly rounded, the inner margin of the apex being longer and 

 straighter than the outer margin. 



Genitalia: The supra-anal plate of the male has a stout median spine 

 which scarcely exceeds the rounded lateral angles. The uncus, when 

 viewed laterally, is stout and curved, the inner margin tapering rather 

 suddenly apically to the obtuse apex. Viewed caudally it is a large 

 sclerite, distinctly narrowed toward the obtusely rounded apex, and with 

 a large triangular depression on the dorsal portion of its caudal aspect. 

 The ventral piece is strongly U-shaped. The last ventral segment of the 

 male is fully twice as broad as long and slightly but distinctly emarginate 

 apically. The pygofers of the female have a slender and acute median 

 process which greatly exceeds the lateral angles. The last ventral seg- 

 ment of the female is very broad and narrow, the lateral margins dis- 

 tinctly sinuate, and the posterior margin with a large and bi'oadly 

 rounded emargination which reaches about one-third of the distance to 

 the base. The ovipositor is rather sparsely toothed, each lateral piece 

 bearing about ten rather blunt teeth or ridges. 



DUtribution: Specimens of this species have been taken in 

 Cherokee, Wilson, Elk, and Riley counties. It may be that this 

 state is its northwestern limit for Van Duzee records it as an 

 eastern and southern form found in Ontario, Rhode Island, 

 New York, New Jersey, North Carolina, Florida, Alabama, 

 Ohio, and Indiana. Smith and Grossbeck record it from New 

 Brunswick also. 



Remarks: Davis states that the song of this species is a 

 monotonous zing. 



