90 



SMITHSONIAN MISCELLANEOUS COLLECTIONS 



VOL. 82 



c 



5AX ^ 



— -lA 



2A 



Fig. 47. — The wing bases of Dissosteira. 

 A base of tegmen. B, base of hind wing. lA, 2 A, 3 A, 7 A, first, second, third, 

 and 'seventh primary anal veins; AF , anal fold; lAx, 2A.X, 3A.V, 4AX, first, 

 second third, and fourth axillary sclerites ; C, costa; iCu, first cubitus; 2Cu, 

 second' cubitus ; d, attachment of base of subcosta to prescutal lobe of tergum ; 

 / intercalary vein; i, secondary vein of first anal plait; k, first concave anal 

 vein- / second concave anal vein; M. media; m, m', median plates of wing base; 

 D posterior arm of tergum supporting the anal veins ; q, basal support of anal 

 veins- R radius; R + M, united basal shafts of radius and media; ^, secondary 

 vein of fore wing behind anal fold; Sc, subcosta; tg, tegular rudiment; / D, 

 vena dividens. 



