148 TETT/G //)./■: OF NORTH AMERICA 



Soc, iii., 109 (1895); Blatchley, Can. Ent., XXX.. 64 (1898); 

 Needham, Insect Drift on -Shore Lake Michigan, Occ, 

 Memoirs Chic. Ent. Soc, V., No. i, 24 (1900); Lugger, 

 Orth. Minn. Univ., Minn. Agr. Exp. St. Bull., No. 55, 201 

 (1897); Scudder, Inde.x Orth. N. Am., 315 (1901). 



The color of the species varies extremely, frequently gray- 

 ish or fuscous, the legs clouded with fuscous, or the dorsum 

 may be light clay-yellow or ferrugineous, or with a light lateral 

 stripe on each side; the femora often present a light spot 

 externally above, little before the middle, in the male the face 

 below the eyes and the lower portion of lateral lobes of pro- 

 notum and underneath the body light. 



TETTIGIDE.\ P.ARVIPENNIS, MORSE. 



Plate X., Fig. 8. 

 Fiy. "i, text fitrure. 



Similar to the preceding, pcnnata, with the body moder- 

 ately robust in the female, the characters of the vertex nearly 

 the same with barely less prominent eyes. The frontal costa 

 distinctly convex; vertex in profile little more protuberant 

 above the superior margin of the eyes. Dorsum of pronotum 

 between and before the shoulders distinctly acute tectiform, 

 the median carina anteriorly little arcuate, posteriorly sub- 

 straight, lateral margins posteriorly straight, the apex of 

 process acute or subacute, reaching to or very little passing 

 the posterior femoral Icnees, apical portion sometimes 

 depressed. Elytra elongate; wings abbreviated. 



Length of body, J, 12. 6-14 mm.; pronot., 12-13 mm.; 

 post, fern., 6.8-8. 1 mm.; / body, 8.9-10 mm.; pronot., 8.2-9 

 mm.; post, fem., 5.3-5.5 mm. 



A male and female of diminutive size from Minnesota, 

 measured; ?^', 11 mm., ,-', g. i lum.; pronotum, 5, 9.2 mm., 

 $, 7.5 mm.; post, fem., y, 5.9 mm., .J, 5 mm. 



Tettigidea parvipennis — dimorphic form oi pcnnata. 



Locality, in Illinois. Chicago (McDade, Hancock), Glen 

 EUyn (Hancock), Winnetka (Hancock); in Missouri, Atherton 

 (Adams); Kansas (Westcott); Maine, Freyburg (Morse); Min- 



