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American Midland Naturalist Monograph No. 3 



Costa with a streak of white scales at base and at point of union with subcosta, 

 the remainder speckled with dark scales. Vein 6 with basal two-thirds white 

 scaled, apical third dark. Remaining veins clothed with intermixed dark and 

 white scales and with definite areas of all-dark and all-white scales. Fringe 

 scales uniformly rather dark. 



Fig. 83. Larva of PsoTophora discolor (Coquillett). A, Comb scale. 

 B, Terminal segments. C, D, Pecten teeth. E, Head. 



