PROC U.S. NAT. MUS. VOL. 116 



SCULLEN — PLATE 1 



C. frontatajrontata Say (top and bottom): copulating pair on Baccharis glutinosa, two miles 

 northeast of Portal, Ariz., July 28, 1961, photographed by Martin A. Alortenson 

 (photo courtesy Southwest Research Station, Portal, Ariz.). 



