PLATE 3 



Fig. 41. Eucalli'pterus flava (Dvdn.), base of third antennal segment. 



Fig. 42. Eucallipterus tiliae (Linn.), third antennal segment. 



Fig. 43. Myzocallis coryli (Goetze), third antennal segment. 



Fig. 44. Myzocallis coryli (Goetze), sixth antennal segment and spur. 



Fig. 45. Myzocallis bellm (Walsh), sixth antennal segment and spur. 



Fig. 46. Myzocallis bellus (Walsh), third antennal segment. 



Fig. 47. Myzocallis alnifoliae (Fitch), third antennal segment. 



Fig. 48. Myzocallis arundicolens (Clarke), third antennal segment. , 



Fig. 49. Eucallipterus tiliae (Linn.), cornicle. 



Fig. 50. Eucallipterus tiliae (Linn.), anal plate. 



Fig. 51. Myzocallis arundicolens (Clarke), cornicle. 



Fig. 52. Myzocallis arundicolens (Clarke), anal plate. 



Fig. 53. Myzocallis coryli (Goetze), cornicle. 



Fig. 54. Myzocallis coryli (Goetze), anal plate. 



Fig. 55. Myzocallis californicus Baker, third antennal segment. 



Fig. 56. Myzocallis californicus Baker, sixth antennal segment and spur. 



Fig. 57. Myzocallis pasaniae Dvdn., third antennal segment. 



Fig. 58. Myzocallis quercus (Kalt.), third antennal segment. 



Fig. 59. Myzocallis ulmifolii (Monell), third antennal segment. 



Fig. 60. Myzocallis castanicola Baker, third antennal segment. 



Fig. 61. Myzocallis castanicola Baker, cauda and anal plate. 



Fig. 62. Myzocallis castanicola Baker, cornicle. 



Fig. 63. Callipterus californicus (Essig), sixth antennal segment and spur. 



Fig. 64. Callipterus californicus (Essig), third antennal segment. 



Fig. 65. Callipterus caryae Monell, third antennal segment. 



[184] 



