PLATE 12 



Fig. 262. Mysocallis discolor (Monell), fore wing. 



Fig. 263. Myzocallis discolor (Monell), third antennal segment. 



Fig. 264. Mysocallis bellus (Walsh), fore wing. 



Fig. 265. Myzocallis bellus (Walsh), third antennal segment. 



Fig. 266. Myzocallis calif ornicus Baker (maureri Swain), fore wing. 



Fig. 267. Myzooallis castanicola Baker ^davidsoni Swain), fore wing. 



Fig. 268. Myzocallis arundinariae Essig, third antennal segment. 



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