226 
IOWA ACADEMY OP SCIENCES. 
to the face; front narrowing- rapidly to the small clypeus; gense broad, 
rounding below; pronotum one-half longer than vertex, emarginate 
behind; side margins short, not strongly carinated; elytra broader than in 
hisoria, venation similar, weak. 
Color: Green; elytra sub-hyaline sometimes pallid. 
Genitalia: ultimate ventral segment of female very long on lateral 
margin, posterior margin produced, broadly notched, more than one-half 
the depth of the segment, apex of notch with a spatulate process two and 
one-half times as long as breadth at base, two- thirds the length of the 
notch, lateral margin of segment rounding to the acute lateral angles. 
Male valve appearing as a narrow margin to the ultimate segment; plates 
sloping, broad at base, convexly rounding, acutely pointed, about equaling 
the pygofers. 
Described from forty- two examples collected at Ames, Iowa. 
It has also been received from Colorado (Gillette) and 
Nebraska (Bruner). 
THAMNOTETTIX LUSORIA N. SP. 
Form and general appearance of Ghlorotettix tergatus, but 
with a sharper vertex and more general reddish cast. Length, 
7 to 8 mm; width, 2 mm. 
Vertex slightly convex, one-half longer on middle than next eye, twice 
wider than long, margins broadly rounded, but with a distinct, slightly 
produced tip; front one-third longer than wide, three times wider at 
ocelli than on clypeus; pronotum long, front margin strongly rounding, 
posterior margin nearly truncate, sides long, carinated; scutelium with a 
quadrate light area on the disk, including two dark spots; elytra two and 
one-half times longer than wide, much exceeding the abdomen, without an 
appendix, first anteapical long, parallel margined. 
Color: Similar to Ghlorotettix necopina; vertex olive brown with a 
faint crescentiform band before the eyes; pronotum fulvous brown; elytra 
sub-hyaline with a distinct reddish tinge, nervures light; below tawny 
yellowish. 
Genitalia: Ultimate ventral segment of female long, slightly emarginate 
behind, with a strong, angularly pointed, dark margined median tooth 
about equalling the acutely rounding lateral angles; pygofers long and 
narrow, nearly half the length of the abdomen; male valve very short and 
broad, less than half the length of the ultimate segment; plates strong, 
flat, one-half longer than breath at base, outer margins thickened, sparsely 
hairy, points strongly divergent, usually a fuscous line on either side 
arising from a spot at the base. 
Described from eight males and ten females all collected at 
Ames, Iowa. 
THAMNOTETTIX LONGULA G. AND B. 
Hemiptera of Colorado, p. 97. 
Form of lusoria but much smaller; coloration similar to T. 
tenuis Germar. Length, 5 to 6 mm; Avidth, 1.40 mm. 
