SUBFAMILY TETTIGINAE 11 
body rather slender ornatus 
_ Pronotum and wings abbreviate Var. triangularis 
Median carina arcuate, compresso-elevate; body more robust; middle femora 
of male nearly half as broad as long hancocki 
Pronotum and wings abbreviate Var. abbreviatus 
Median carina of pronotum not at all, or but slightly, elevated; in profile barely 
undulate or anteriorly gibbose; dorsum not tectiform but flattened or sub- 
concave 
Frontal costa distinctly sinuate; vertex slightly depressed anteriorly; eyes not 
prominent; body moderately robust obscurus 
Tettix granulatus Kirby 
Tettix granulatus is a rather slender species with the eyes only 
moderately prominent, the vertex distinctly angulate, and the median 
carina very slightly advanced. The dorsum of the pronotum and the 
legs are finely granulated, the dorsum of the pronotum being usually 
more or less rugose. Jn this species, as in others of the group, the 
coloration is variable, running through varying shades of gray and 
brown to forms nearly black. The disk of the pronotum is often 
marked with blackish spots and at times bears a median light-colored 
line. The species is dimorphic, a form being found occasionally in 
which the pronotum and wings are much shorter than normal. Han- 
cock has designated this abbreviate form as variety variegatus. 
The species is found throughout the eastern and northern portions 
of North America. Within our limits we have taken it at Worthington, 
Redwood Falls, St. Anthony Park, Fergus Falls, Detroit, Crookston, 
Warroad, Hibbing, Tower, and Duluth. Like others of this subfamily 
it commonly hibernates and has been found even in midwinter in the 
borings of beetles or other sheltered places. 
We have found this insect active even during midwinter, in pro- 
longed warm weather. While normally a shore-loving form, it is 
sometimes found far from lakes and streams. We once noted a colony 
of this species in a sandy field in Iowa at least a mile from any stream 
or body of water. In this instance it was in a cultivated field and 
feeding upon the tender stems of young grain, where by use of a 
“sweep-net’’ we took many specimens. 
Tettix luggeri Hancock 
Tettix luggeri is very closely related to T. granulatus, from which 
it may be distinguished by the characters given in the key. Separa- 
tion is possible, however, only in typical forms and since intermediate 
forms occur, especially in specimens taken near our northern limits, 
it is very difficult to separate the two positively. We have taken it at 
Warroad, Cass Lake, and Allen Junction, in what we consider the 
typical form, basing identification on a specimen in the collection of 
