NO. 1 6.] ORTHOPTERA OF CONNECTICUT. 85 



length of its greatest depth. Valves of the ovipositor strongly 

 protruding. 



Fig. 25. a. Mecostethus platytterus, male. Ventral view of tip of abdomen. 



b. M. platypterus, female. Disk of pronotum. 



c. M. lineatus, female. Disk of pronotum. 



Key to Species. 



Lateral carina? of pronotum distinctly divergent behind. 

 Prozona shorter than the metazona. Scapular area of 

 tegmina with a pale basal streak lineatus 



Lateral carinas of the pronotum nearly parallel. Prozona 

 and metazona of about equal length. Scapular area of 

 tegmina without a pale basal streak platypterus 



M. lineatus Scudder. 



General color yellowish to dark brown, the males usually the 

 lighter. A narrow yellow line (more or less obscure in the 

 female) extending from the upper border of the eye to the pro- 

 notum ; below this is an indistinct dark band extending across 

 the upper part of the lateral lobes of pronotum. The tegmina 

 with a distinct yellow streak along the base of the discoidal area, 

 extending from one-half to two-thirds their length. Hind femora 

 with the outer face yellowish or reddish brown, darker below, with 

 the lower face usually bright red, the apex black. Hind tibiae 

 yellowish with a pale ring towards the base; spines black. The 

 tegmina of this species are narrower and of a more uniform 

 color than in platypterus. The teeth of the rasp are low and dull. 

 The under side of the ninth abdominal segment of the male has 

 no mid-stripe of black. 



Measurements. 



Morse states, " Though somewhat local, this species is rather 

 common in southern New England in wet, sedgy meadows along 



