206 Journal of the Mitchell Society [May 



Pissonotus fulvus ii. sp. 



Figs. 448, 678 



This species may be recognized by its almost uniform ochraceous 

 orange color with only the eyes and tips of the tarsi black. 



Vertex elongate, narroAv, nearly twice as long as broad ; f rons 

 elongate, narrow, the median carina forked well below the apex of 

 the head ; pronotum shorter than the vertex, the lateral carinae reach- 

 ing the posterior border ; mesonotum shorter than the vertex ; genital 

 aperture elongate, linear ; the genital plates triangularly produced ; 

 genital styles slender, acute, parallel shorter than the hooks, genital 

 hooks nearh^ straight, parallel, the apices suddenly constricted acute ; 

 anal processes short, incurved. 



Color : Almost uniform ochraceous orange ; eyes black ; carinas 

 of f rons sometimes narrowly lined with black ; clypeus yellow, tarsal 

 claws black ; genital sytles and hooks and the anal process tipped 

 with black. 



Length, apex of head to apex of abdomen 2.50-3.00 mm. 



Holotype $ . Paxton, Illinois, July 30, 1916. 



Allotype 5 . Paxton, Illinois, July 30, 1916. 



Paratype 1 S . Metropolis, Illinois, August 19, 1916. 



Pissonotus nigridorsum n. sp. 



Figs. 449, 679 



This species may be recognized by its general shining black color 

 with the clypeus and legs bright yellow. 



Vertex broad, broadly rounded anteriorly'; frons broad, the me- 

 dian carina forking below the middle of the eyes ; antennae long first 

 segment joint about half as long as the second ; pronotum longer than 

 the vertex, the lateral carina? becoming obsolete before the posterior 

 border ; aperture of the pygof er broad ; ventral sinus distinct ; genital 

 styles large, twisted broader and truncate apically, the inner angle 

 produced and recurved ; anal processes short, recurved, their apices 

 concealed by the styles. 



Color: General color shining black, clypeus and legs except the 

 tip of the tarsi pale yellow. 



Length, apex of head to apex of abdomen 2.25 mm. 



Holotype S . Greenburg, Pa., September 18, 1904. ]\I. "Wirtner. 



