882 ACADEMY OF NATURAL SCIENCES 



hemelytra pale brownish, with two large white or hyaline costal 

 spots, which are margined with fuscous. 



Length to the tip of the hemelytra nearly three-tenths of an 

 inch. 



To this genus, as formed by Germar, belong the following spe- 

 cies which I formerly published, viz.: Cercopis parallela, CW- 

 copis quadranguJariSj Cercopis obtusa. 



JASSUS Fabr. Germ. 



J. iNiMicus. — Head with two dots, thorax with a transverse 

 series of dots. 



Inhabits Virginia. 



Body pale, with a yellowish or greenish tinge : head with a 

 black dot each side at tip; hypostoma with transverse fuscous 

 interrupted lines : thorax with a transverse, arquated series of 

 about four fuscous points on the anterior margin j posterior disk 

 a little dusky : scutel with a black abbreviated line each side at 

 base, an obsolete, double, diverging line in the middle : hem- 

 elytra hyaline, with brown nervures : tergum blackish, margin 

 yellow. [306] 



Length to tip of hemelytra over three-twentieths of an inch. 



Var. a. Hemelytrd with the cellules edged with fuscus ; ner- 

 vures whitish. 



When in the larva state this species is said to depredate on 

 the roots of wheat. Several specimens were sent me by Profes- 

 sor Green, in the year 1822, who received them from a farmer of 

 Virginia. 



2. J. ACUTUS. — Head elongated, acute ; thorax five-lined. 

 Inhabits Indiana. 



Body above with minute, brownish reticulations : head much 

 elongated, as long as the thorax and half the scutel ; with about 

 three gray lines consisting of the absence of reticulations : thorax 

 about five-lined : hemelytra with larger reticulations, enclosing 

 whitish spots which are somewhat larger on the costal margin : 

 beneath blue black; disk of the head yellow; feet yellowish, 

 spotted with black. 



Length to tip of hemelytra nearly one-fifth of an inch. 



3. J. IMMISTUS. — Head yellow, with green bands before and a 



cupreous one above : wings reticulated. 



[Vol. VI. 



