The Pcntatomidae of Nebraska 9 



first definite record is a female collected at Lincoln, March 2, 1910 

 (W. D. Rands and W. R. Martin). A few days later I found 

 the remains of another individual in the same locality. Two 

 unlabeled specimens in the collection may have been taken in 

 Nebraska. 



Genus Euschistus Dallas 



KEY TO THE SPECIES 



I. Juga longer than the tylus, apex of the head incised 2 



I. Juga not longer than the tylus, apex of the head not incised 3 



2. Hemelytra as broad as the abdomen ; connexivum maculated dor- 

 sally fissilis 



2. Hemelytra narrower than the abdomen, leaving exposed the broad 



pale connexivum latimarginatus 



3. Margin of the venter with minute black points at each incisure ; humeral 



angles more rounded tristigmus 



3. Angles of the segments concolorous ; humeral angles more acutely 



produced 4 



4. Pronotum without a continuous calloused ruga ; humeri less acute ; 

 genital segment of the male with a blackish basal spot. 



variolarius: 

 4. Pronotum with a raised, calloused ruga connecting the humeri ;: 

 humeri more acutely produced; genital segment of the male with- 

 out a blackish basal spot ictericus: 



Euschistus fissilis Uhler. 



1S71. Euschistus fissilis Uhler, Proc. Bost. Nat. Hist., XIV, p. 96. 

 1868. (?)Diceraeus euschistoides Vollenhoven, Vers!. Ak. Amst. Nat., 

 ser. 2, II, p. 180. 



Moderately common and well distributed over the state. 

 Localities represented in the collection are Lincoln, Ashland, 

 Weeping Water, Neligh, West Point, Halsey and Sioux county. 

 Recorded also by Uhler. 



Euschistus latimarginatus Zimmer. 



1910. Euschistus latimarginatus Zimmer, Can. Ent., XLII, p. 167, 

 fig. II. 



The type of this species came from Cherry county and para- 

 types were at hand from the Dismal river, Brady Island and 

 Halsey, all the specimens being females. Since the publication 



227 



