144 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Neopareophora MacGilHvray. 



Key to Species. 



1. Pleiiras rufous; body black, with labrum, mandibles, pro- 



thorax, tegulse, mesopleurse, side lobes of mesonotum, 

 legs, venter and tip of abdomen, yellow or rufous; cerci 

 elongate; saw-guides obliquely truncated at apex; wings 



hyaline. Length 4 mm martini 



Pleurae black 2 



2. Antennal furrows broad and distinct, interrupted on the middle 



of the front by a fine, transverse ridge; body black, with 

 labrum, tegulse, front legs below coxae, middle and hind 

 legs below knees, and wings more or less at base, white; 

 cerci hardly exserted; saw-guides large, straight above, 

 broadly convexly rounded to a blunt point at apex. Length 



6 mm nigra 



Antennal furrows broad and distinct, not interrupted at mid- 

 dle by a fine transverse furrow; body black, with labrum, 

 mandibles for the most part, front legs, more or less infus- 

 cated at base and apex, and middle legs beyond apices of 

 femora, rufous; cerci hardly projecting; saw-guides large 

 and obliquely rounded to a point at apex; wings infus- 

 cated. Length 7 mm scelesta 



°N. martini AlacGillivray. 



°N. nigra (Harrington). Phymatocera nigra Harrington. 



°N. scelesta MacGilHvray. 



Neotomostethus MacGilHvray. 



°N. hyalinus MacGilHvray. 

 Body black, with the tegulse and the legs below the knees, 

 except the apices of the posterior tibiae and tarsi, white ; median 

 fovea broad and rounded ; antennal furrow wanting on the front ; 

 wings hyaline. Length 6 mm. 



Rhadinoceraea Konow. 



°R. similata MacGilHvray. 

 Body black ; wings strongly infuscated ; the postocellar area 

 elevated ; ocellar basin distinct ; saw-guides rounded at apex to a 

 blunt point above. Length 8 mm. 



Hypargyricus MacGilHvray. 



°H. infuscatus MacGilHvray. 

 Postocellar area strongly elevated ; saw-guides straight on 

 upper and lower margins and rounded to a blunt point at middle 



