328 HETEROPTEROUS HEMIPTERA. 



BERYTUS Fabr. 



B. muticus. — Unarmed : a short groove betweeen the an- 

 tennae. 



Inhabits North-west Territory. 



Body punctured; pale yellowish brown, unarmed : head not 

 much narrowed before, the tip rounded downwards and com- 

 pressed ; and with a profound short groove above : thorax with 

 a glabrous line : scutel carinate, acute at tip, but not produced 

 into a spine : hemelytra, porium with the punctures dilated : be- 

 neath blackish along the middle to the middle of the venter. 



Length nearly seven-twentieths of an inch. 



Quite distinct from the tipularis F., of which the head is elon- 

 gated before and hemelytra are spotted ; and from the spinosus 

 nob., by being destitute of spines before the posterior coxas and 

 on the scutel. 



LYGAEUS F. Latr. 



1. L. sandarachatus. — Hemelytra yellowish, with a black 

 band and tip ; venter sanguineous with a lateral black vitta. 



Inhabits Mexico. [773] 



Head sanguineous, with an abbreviated line above the ros- 

 trum, and more or less dilated orbits and vertex, black : antennas 

 and rostrum black : thorax black, anterior margin white ; lateral 

 margin yellowish, tinged with sanguineous before ; a dorsal slender 

 yellowish line slightly elevated before : scutel black, yellow at 

 tip : hemelytra pale yellow, a band on the middle and membra- 

 nous at tip, black ; pectus and postpectus black with whitish in- 

 cisures and margins : venter sanguineous, with white incisures 

 and lateral, abbreviated black vittae : feet black, coxas sanguineous. 



Var. a. Anterior thighs sanguineous. 



Var. b. Head above black, with three abbreviated sanguineous 

 lines. 



Length to tip of hemelytra two-fifths of an inch. 



Resembles mimus nobis, which, however, has no appearance 

 of the thoracic dorsal line or lateral ventral vittae. 



2. L. pacetus. — Black, with rufous mai"gins and thoracic line. 

 Inhabits Florida. 



Body black, opake, head at tip narrowed and half the length 



