44 



HOMOPTERA 



Wings. In the Membracidas always mean the hind wings or second pair of wings. 



Corium. The broader, anterior portion of the tegmen, farthest from the scutellum. 



Clavus. The narrower anal portion of the tegmen, adjacent to the scutellum. 



Claval suture. The dividing line, usually a distinct fold, separating the clavus from the corium. 



Apical cells. Those cells of the tegmina or wings which border on the apical end, 



Discoi dal cell. Any completely enclosed cell in the center of the tegmen or wing. 



Apical limbus. The outside membrane which forms the border of the tegmen or wing. 



Armed trochanters. Hind trochanters which bear teeth on their inside margins. 



Baje—~ 



CoMmarg/n ^,-^^^,^^, ,,f, 



A/oicaf cell 



-Tip 

 ^Apica/ /imbus 



Ana/ margin 



C/atv>/ ysufure 



FiG. 9. — Wlng Btpuetupes 



The above struqtures are diagrammatically represented in Text Figures 7, 8 and 9. 



