502 The Ohio Naturalist. [Vol. XV, No. 7, 



and, therefore, are accessible to members of the Ohio Academy 

 of Science. 



It may be noted that the senior author has been responsible 

 for many of the identifications; the observations on life histories 

 are to be credited particularly to the junior author. 



Family NoxoNECTiDiE, 



Buenoa platycnemis Fieber. 



Numerous specimens, taken at Columbus, Franklin Co., by 

 the junior writer. 



Notonecta insulata Kirby. 



Several specimens, taken at Berea, Cuyahoga Co., by the 

 junior writer. 



Notonecta variabilis Fieber. 



One specimen, taken at the Ohio State Fair grounds in Colum- 

 bus by the junior writer. 



Family Nepid^. 



Ranatra kirkaldyi Bueno. 



One specimen, taken by Prof. Sanders at Columbus? 



Family Saldid^. 



Salda coriacea Uhler. 



One specimen, taken at Oxford, Butler Co., by Prof. W. H. 

 Shideler. 



Salda sp. 



One specimen, taken at Cedar Point by the senior writer. 



Family Reduviid^. 



Arilus cristatus Linnaeus. 



Numerous specimens; taken at Sugar Grove, Fairfield Co., by 

 Prof. Barrows; at Oxford by Prof. Shideler; at Columbus by Mr. 

 L. A. Gephart. 



Apiomerus crassipes Fabricius. 



One specimen, taken at West Union, Adams Co., by Mr. W. 

 Harbage. 



Sirthenea carinata Fabricius. 



Two specimens, taken at Athens, Athens Co., by Mr. C. M. 

 Ochs, and at Buckeye Lake, Licking Co., by Mr. F. Cowles. 



Melanolestes abdominalis Her.-Schfr. 



One specimen, taken by the junior writer at Columbus. 



