ORTHOPTERA. IU 



mology with J7. brcittatus* a closely allied species, which occurs in 

 the interior. 



J/. differentidlis, This species is slight- 



ly larger than the preceding; it lacks the 



prominent yellow stripes, and is confined 



to the central portion of the United States 



, ioo). 



Brackystola. This genus is repre- 

 sented by the " Lubber Grasshopper" or 

 Clumsy Locust of the plains, B. mdgna. 

 This insect is confined to the central 

 portion of North America, and it can be 

 readily recognized by the accompanying 

 figure (Fig. 101). 



Sub-Family V. Ore )M. \LINVE.* 

 This sub-family is closely related to the 

 Acrididae ; and the members of it resemble 

 that sub-family in having the prosternum 

 armed. The Opomalinae are distinguished 

 by the vertex extending horizontally in 



, f . , , . . . FIG. \o\.Brachystola magma. 



front of the eyes, by the strongly receding (From 



front, and by the short fore and middle femora. The antenna,* are 

 illy more or less flattened ; and the terminal spine of the outer 

 row of the posterior tibiae is never wanting. 



eral genera of this sub-family are represented in this country. 

 The species are more common in the South and West than in the 



FIG. vn.Ltptytma marginicellt. 



Northeast. Fig. 102 represents Isptysma marginicollc ; this sp< 

 occurs in Florida, and will serve as an illustration of the Mib-family. 



Sub-Family VI. T \^.f 



nee includes small locusts of very unusual form. Tin- 

 :iking ch "f tin- Mib-family i .ipc of the pro- 



Opomallnse, OpOmala: opt (MJ>). appearance ), plane. 



f Tetliglnse, Tftltix the Greek name for these insecu. 



