Vergleichende Studien über das Flügelgeäder der Insecten. 



229 



Embiden (Wood-Mason): 



I = Vena costalis. 

 II = » subcostalis. 

 ni,= » radialis. 

 nig 4- V + VII = Vena discoidalis. 

 IX = Vena analis. 



Psociden (Brauer und Low): 



l = Costa. 



II = Subcosta. 

 III = Radius. 



V = Sector radii. 



VII = Cubitus -f hinterer Ast des Sector 



radii. 

 VIII = Cubitus posticus (postcosta). 



Termiten: 



III = Subcosta (Hagen), scapularis 



(Heer). 



V = Mediana (Hagen), internomedia 



(Heer). 

 VII = Subniediana (Hagen), externo- 

 media (Herr). 



Hemipteren (Fieber): 



I -f- III = Costa primaria -{- Costa 

 apicalis. 



V = Costa subtensa + Costa decur- 



rens -\- Costa connectens -\- hamus. 



VII = Costae lineatae. 



IX + XI = Costae radiantes. 



Homopteren (Kolenati): 

 Vorderßügel : 



III = Radius principalis. 

 III, = Sector apicalis. 

 IIIj= » nodalis. 



V = Radius internodalis. 



Vi= Sector subnodalis. 



Vg^ » medius. 

 VII = Radius medius -|- Sector brevis. 



VIII - — 



IX = — 



XI = — 



Hinterflügel : 



III = Radius principalis. 

 III,= - 



1113== - 



V = Radius dichotomus. 



V,^ - 



VII = Radius medius. 

 VIII = » posticus. 



IX = » brevis. 



XI = » suturalis -[- arculus. 



Sialiden (Brauer und Low): 



I = Costa. 



II = Subcosta. 



III = Radius + Sectoren. 



IV = Ramus thyrifer (cubiti antici). 



V = Ramus divisorius. 

 VII = Cubitus posticus. 



Megalopteren und Panorpaten: 



I = Costa. 



II = Subcosta. 



III = Radius + Sectoren, 

 IV- — 



V = Cubitus anticus. 



VII = » posticus. 



Phryganiden (Brauer und Low): 

 Vorderflügel: 



I = Costa. 



II = Subcosta. 



III ■= Radius + Sectoren. 



V = Ramus thyrifer (cubiti antici). 

 VII = » divisorius (cubiti antici). 



VIII = Cubitus posticus. 

 IX, = - 



1X3- — 



XI, = - 



Xl3= — 



XIII = — 



