Sept.,i903i liuKNO : Pentatomid.-e OF New York. 129 



Euschistus Dallas. 

 E. fissilis UIiL Mosholu, N. V., May 31, July 19 and 26, August 

 23. Forest Tark, June 14. 



E. tristigmus Say. Mosholu, N. Y., July 26, August 23, Sep- 

 tember 4. Staten Island, August 16. 



E. variolarius Pal. B. Mosholu, N. Y., June 22 and 28, July 12 

 and 19, August 7 and 30, September 9. Forest Park, L. I., June 14. 

 Van Cortlandt Park, New York, September 13. 



Caen us Da II. 

 C. delius ^a^'. Mosholu, N. Y., July 19 and 26, August 12, 23 

 and 30, October 18. Very abundant in clover patches in meadow. 



Pentatoma Oliv. 

 P. senilis Say. Staten Island. 



Hymenarcys Am. ct Scrv. 

 H. nervosa Say. Staten Island, N. Y., August 22. 



Trichopepla Stal. 

 T. semivittata Say. Mosholu, N. Y., July 19 and 26, August 

 7, September 9. Very abundant in low grasses. 



Peribalus Muls. 

 P. limbolarius Stal. Mosholu, August 9. 



Thyanta SiiM. 

 T. custator Fab. Mosholu, N. Y., June 28, July 19 and 26, 

 August 23, September 4. 



Nezara Am. et Serv. 

 N. pennsylvanica DeG. Lakehurst, N. J., May 27. 

 N. hilaris Say. Dunellen, N. J. 



A SYNOPSIS OF THE NORTH AMERICAN 

 SPECIES OF JAPYX. 



By Myron H. Swenk. 

 Since Haliday in 1864 characterized the genus Japyx from speci- 

 mens of J. solifugus, over thirty additional species have been de- 

 scribed from different parts of the world. Several of these are in all 

 probability synonyms. Up to the present time six well-marked spe- 

 cies have been described from the United States and Mexico, and 

 these, together with an undescribed species from Nebraska, may be 



