OF NATURAL HISTORY. 709 



tt Separating nervure arcuated ; second cubital cellule elongated • the 

 nervure from the stigma inserted at its middle. 



Celereon. 



11. B. INESCATOR.— Pale dull yellowish ; palpi and and feet 

 whitisli. 



Inhabits Indiana. 



9 Body dull yellow, with a slight intermixture of honey-yel- 

 low, immaculate : antennas blackish towards the tip : mandibles 

 piceous at tip ; wings hyaline, with a very slight dusky tinge, 

 and yellowish at base; nervures of the middle of the wing and 

 disk of the stigma fuscous : abdomen oblong subobovate : oviduct 

 black, hardly half the length of the abdomen : palpi long, white : 

 feet white. 



Length of the body two-tweuty-fifths of an inch. 



12. B. PULLATOR. — Black ; abdomen at base and feet yellowish. 

 Inhabits Indiana. 



9 Body black, a little polished : antennaj towards the base ob- 

 scure yellowish, first joint pale honey -yellow : mouth pale pice- 

 ous : mandibles at tip blackish ; wings hyaline ; nervures brown- 

 ish ; stigma fuscous : tergum oblong sub-obovate, disk near the 

 base dark honey-yellow : oviduct longer than the abdomen, black: 

 feet pale honey-yellow. 



Length less than one-tenth of an inch. 



13. B. HONESTOR nob. Contr. Macl. Lye. vol. i. p. 78, belongs 

 also to this subdivision. 



14. B. PAULULOR. — Black; abdomen short ; feet whitish. 

 Inhabits Indiana. 



Body black : head large : antennas fuscous, obviously longer 

 than the body : mandibles yellowish : palpi white : [258J wings 

 hyaline ; stigma elongated, slender ; second cubital cellule elon- 

 gated, having the nervure from the stigma inserted at about one- 

 third its length : abdomen short : oviduct very short : feet honey- 

 yellow, a little dusky towards their tips. 



Length less than one-twentieth of an inch. 



The second cubital cellule is elongated, but the descending 

 nervure from the stigma is inserted considerably behind the 

 middle. 



ttt Separating nervure between the radial and cubital cellule reclivato. 

 1835.] 



