The Pentatomidae of Nebraska 25 



Amnestus spinifrons (Say). 



1825. Cydmis spinifrons Say, Journ. Acad. Phil., IV, p. 316. 



A single male of this species is present. It was taken at 

 Lincoln, April 16, 1892. 



Amnestus pallidus Zimmer. 



1910. Amnestus pallidus Zimmer, Can. Ent., XLII, p. 166, fig. 10. 



The type of this species, a female, came from *' Southeast 

 Nebraska." No additional records. 



Amnestus pusillus Uhler. 



1876. Amnestus pusillus Uhler, Bull. U. S. Geol. Geog. Surv. Terr., 

 No. 5, ser. 2, p. 12. 



A single specimen of this form^ a male, was taken at West 

 Point, May, 1888, by L. Bruner. 



Tribe SEHIRINI 

 Genus Sehirus Amyot & Serville 

 Sehirus cinctus (Palisot de Beauvois). 



1805. Pentatoma cincta Palisot de Beauvois, Ins., p. 114, Hem., pi. 8, 



fig- 7- 

 1831. Cydnus ligatus Say, Het. Hem., N. Harm., Ind., p. 10. 

 1851. Sehirus alhonotatus Dallas, List, I, p. 127. 



1876. Canthophorus cinctus Stal, Svensk. Vet. Handl., XIV, No. 4, 

 p. 22. 



A female of this pretty species was captured at Lincoln, July 

 16, 1910, by F. A. Burnham. It is the only record at hand. 



Subfamily THYREOCORINAE 

 Genus Thyreocoris Schrank 



KEY TO THE SPECIES 



I. Hemelytra concolorous, not marked with paler 2 



I. Hemelytra marked with paler 6 



2. Entire margin distinctly ciliate, or else the abdomen without any 



ventral, submarginal row of setae 5 



2. Margin not ciliate; abdomen with a ventral, submarginal row of 

 setae 3 



243 



