PROCEEDINGS 



OF THE 



ENTOMOLOGICAL SOCIETY 



OF WASHINGTON 

 VOL. XIX 1917 Nos. 1-4 



Two HUNDRED AND NINETY-EIGHTH MEETING, 

 NOVEMBER 2, 1916. 



The 298th regular meeting of the Society was entertained by 

 Dr. A. L. Quaintance at the Saengerbund Hall, November 2, 

 1916. There were present Messrs. Abbott, Baker, Barber, 

 Boving, Busck, 'Caudell, Craighead, Ely, Fisher, Gahan, Greene, 

 Heinrich, Hyslop, Isely, Kotinsky, Mclndoo, Midclleton, Paine, 

 Quaintance, Rohwer, Sanford, Sasscer, Schwarz, Snyder, Walton, 

 Webb, Wood, and Yothers, members, and T. G. Carnochan, R. 

 M. Fouts, J. R. Horton, Philip Garman, Delmar Webb, and W. 

 W. Yothers, visitors. 



The following program was presented. 



A NEW GENUS (PERISSARTHRON) OF ELATERIDAE AND A 



REVISION OF THE AMERICAN ELATERIDAE OF THE GENUS 



PYROPHORUS, WITH DESCRIPTIONS OF NEW SPECIES. 



BY J. A. HYSLOP, 



Bureau of Entomology, Cereal and Forage Insect Investigations. 



Perissarthron gen. nov. 



(Plate I) 



Frontal margin of the head obsolete above insertion of the labruni (fig. 

 a), front concave, labrum moderately broad; mouth directed forward and 

 downward; mandibles cleft at tip; maxillary palpi narrowly securiform; 

 antennae (fig. b), 12 jointed, joints 3 and 4 equal in length; prothorax 

 wider than long, prosternal sutures nearly straight, lateral margins broadly 

 flattened; posterior coxae (fig. <) complete, strongly widened iinvardly, but 

 without abrupt angle; tarsi simple, bearing heavy brushes of pile on 

 under surface of joints, tursal claws (fig. </) simple. 



1 



