March, 1910.] BuENO : WESTCHESTER HeTEROPTERA. 33 



Genus ACHOLLA Stel. 



94. A. multispinosa de G. 



White Plains, April 14, nymph in last instar, on fence under trees. 



Genus SINEA A. & S. 



95. S. diadema Fabr. 



White Plains, Sept. 3, 11 and 26, Oct. 3. 



Superfamily MIROIDEA. 

 Family ANTHOCORID^. 



Genus PIEZOSTETHUS Fieb. 



96. P. sordidus Reut. 



White Plains, Sept. 26; Hartsdale, May 22. 



Genus TRIPHLEPS Fieb. 



97. T. insidiosus Say, 

 Rye, Aug. 21. 



Superfamily NOTONECTOIDEA. 

 Family NAUCORID.E. 

 Subfamily Naucorin^e. 

 Genus PELOCORIS Stal. 



98. P. femoratus Pal. Beauv. 



White Plains, July 25, nymph. 



Family NOTONECTID^. 

 Subfamily Notonectin^. 



Genus NOTONECTA Linne. 



99. N. insulata Kirby. 



100. N. undulata Say. 



White Plains, Dec. 5 and 20; Feb. 20, swimming under thin ice. 



Genus BUENOA Kirkaldy. 



loi. B. margaritacea Bno. 



White Plains, Dec. 5 and 20, Feb. 22, March 7, swimming under 

 clear thin ice.^ 



^ The appearance of the first volume of Kirkaldy's Catalogue has rendered 

 obsolete the arrangement of the Cimicida: (Pentatomid^) and changed the 

 names of a number of genera and species, but it is impossible to make the 

 requisite corrections in the proof before me. J. R. T. B. 



