No. 22.] HYMENOPTERA OF CONNECTICUT. 647 



NOMECLATURE OF WING PARTS IN THE DRAWING OF 

 CHLORION (AM M OBI A) ICHNEUMONEUM. 



OLD SYSTEM 



Veins 

 Costal 

 Subcostal 

 Median 

 Submedian or Anal 



Radius or marginal . 



Basal 



First transverse cubital 



Second 



Third 



Transverse medial 



Discoidal 



Cubital 



First recurrent 



Second " 



Subdiscoidal 



COMSTOCK-NEEDHAM SYSTEM 

 Front Wings 



Veins 

 Costa or C 

 Sc + R + M 

 Cubitus or Cu 

 A* 

 1st abscissa, radial cross-vein 



or r, 4th abscissa Rt; 

 recurved tip Sca+Ri+a 

 Medio-cubital cross-vein and 



Media 

 Rb and r-m 

 R5 

 R4 



M* 4- Cui 



ist abscissa M*, 2d abscissa Mt 

 M-f R4+6; at margin Mi+R4+« 

 M,+ . 



Transverse part of Ma« 

 (ist abscissa) medial cross-vein 

 (2d abscissa) Ma 



or cubital 



Cells 

 Costal .... 

 Median or externo-median 

 Submedian or interno-median 

 Anal 



Marginal or radial 

 First submarginal 

 Second 

 Third 

 Fourth 



First discoidal 

 Second " 

 Third 



First apical 

 Second " 

 Stigma 



Cells 

 C + Sc 

 M 



Cu + Cui 

 1st + 2d+3d A 



2d Ri+Ra 



1st Ri+R 



R5 



R* 



Rs 



M4 



Ms 



1st Ma 

 2d Ma 



Ml 



Stigma or cell Sca 



* The actual composition of this vein is complex, and at its tip would be repre- 

 sented by M^ + Cu 4.1+2 1st A + 2d A 4- 3d A 



