The Pentatomidae of Nebraska 1 1 



the preceding year by W. C. Thompson. Uhler also gives 

 Nebraska as within the range of the species. 



Genus Coenus Dallas 

 Coenus delius (Say). 



1831. Pentatoma delta Say, Het. Hem., N. Harm., Ind., p. 8. 

 1843. Hymenarcys aeruginosa Amyot & Serville, Hem., p. 125. 

 1851. Coenus tarsalis Dallas, List, I, p. 320, pi. 8, fig. 8. 

 1868. Coenus punctatissimus Vollenhoven, Versl. Ak. Amst. Nat., 

 (2) II, p. 183. 



This odd-appearing, oval-shaped bug is moderately common, at 

 least over the eastern half of the state. Specimens are at hand 

 from Lincoln, West Point, Halsey, Sand hills, Holt county, 

 Cams, Red Cloud, " Western Nebraska." 



Genus Hymenarcys Amyot & Serville 



KEY TO THE SPECIES 



I. Size smaller (length, 8-9 mm) ; veins of the membrane irregularly fur- 

 cate but not anastomosing aequalis 



I. Size larger (length, lo-ii mm) ; veins of the membrane anastomosing. 



nervosa 

 Hymenarcys aequalis (Say). 



1831. Pentatoma aequalis Say, Het. Hem., N. Harm., Ind., p. 7. 

 1839. Cimex dentatus Herrich-Schaffer, Wans. Ins., V, p. 64, fig. 507. 

 1851. Pentatoma Boxura Dallas, List, I, p. 244. 



Moderately common in eastern Nebraska, Lincoln, Roca, West 

 Point. 



Hymenarcys nervosa (Say). 



1831. Pentatoma nervosa Say, Het. Hem., N. Harm., Ind., p. 9. 

 1837. Pentatoma pennsylvaniae Westwood, Hope, Cat., I, p. 35. 

 1843. Hymenarcys perpunctata Amyot & Serville, Hem., p. 124. 



A single female taken at Roca March 13, 191 1, by R. T. 

 Schlueter represents the only record for this species at hand. 



Genus Aelia Fabricius 

 Aelia americana Dallas. 



1851. Aelia americana Dallas, List, I, p. 223. 



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