OF NATIRAL IIISTtjRV. 741 



Rather sinallor than nl'jrlla V., and may be diHtingui^hfJ by 

 the more dilated punctures; the basal segment of ihu ubduuicn 

 being suddenly smaller than the second, and shorter than in 

 niyrita ; by the abdominal band, and different eonfigurati.Mi «»f tho 

 wing cellules. The emargination of the eyes is very sm.ill atjd 

 acute. 



G. M. (ilBUOSA. — lilack ; petiole as long as the second abdom- 

 inal. segment ; wings du.sky at tip. 



Inhabits Indiana. 



% Body black; with numerous gray, but not concealing hairs : 

 densely punctured ; punctures large on the head and trunk : wings 

 hyaline ; at tip and including the radial cellule, fuliginous ; stig- 

 ma moderate ; third cubital cellule incomplete; abdomen, first 

 .«ogmeut petioliform, as long as the second, and .somewhat gibboua 

 at tip, distinguished from the second by a deep stricture. 



Length over three-tenths of an inch. 



Resembles scrupca nob., but is larger, has a stigma and lunger 

 petiole. It is also like niijrita F., but is larger, with a much more 

 obvious stigma : wings dusky at tip ; the petiole more gibbous at 

 tip, &c. [299] 



TENGYRA Latr. King. 



T. STYiilA. — Black ; mandibles piceous at tip. 



Inhabits Indiana. 



Body entirely black, immaculate, punctured ; mandibles pi- 

 ceous at tip ; near the tip one-toothed ; wings hyaline ; nervures 

 black, separating nervure of the first and second cubital cellules 

 wanting ; stigma obvious, black : al)domen, segments contracted 

 near the incisures : oviduct not extending beyond the terminal 

 processes and concealed beneath them. 



Length two-fifths of an inch. 



Resembles T. SunvitaU Latr., but is larger, with a much larger 

 stigma, and each abdominal segment is much more contracted 

 before its posterior incisure. 



METIIOCA Latr. 



M. BICOLOR.— 9 Rufous ; head and part of the tcrgum black. 



Inhabits Indiana. 



Body pale yellowish-rufous, polished : head black : antenna 

 1835.] 



BE. 



