454 PROCEEDINGS OF THE NATIONAL MUSEUM 



Figures 57-79. — Pkytohia species, heads shown in profile except where noted. The solid 

 line equals 1 mm. 



Fig. 57. — Head of holotype 9 of Phytobia (Phyfobia) ainelanchieris (Greene), one-half size. 



Fig. 58. — Mesofacial plate and lunule of same, full size. 



Fig. 59. — Head of holotype cf of P. (P.) indecora (Malloch). 



Fig. 60. — Wing of holotype c? of P. {P.) kallima (Frost), one-half size. 



Fig. 61. — Mesonotum of holotype $ of P. (P.) picta (Coquillett), sctulae on black not shown, 



one-half size. 

 Fig. 62. — Head of same, full size. 



Fig. 63. — Head of holotype c? of P. (P.) fruinosa (Coquillett). 

 Fig. 64. — Head of P. {P.) setosa (Loew) (holotype 9 of Agromyza aceris Greene), one-half 



size. 

 Fig. 65. — Mesofacial plate and lunule of same, full size. 



Fig. 66. — Head of P. {Cephalomyx-a) albidohalterata (Malloch) (cf , White Heath, 111.). 

 Fig. 67. — Head of lectotype 9 of P. (C.) auriceps (Melander). 

 Fig. 68.— Head of holotype 9 of P. (C.) indecisa (Malloch). 

 Fig. 69. — Head of P. (Poemyza) angulaia (Loew) (cT, Savanna, IHinoIs). 

 Fig. 70. — Head of holotype d^ of P. {P.) inconspicua (Malloch). 

 Fig. 71. — Posterior end of puparium of same, spiracles above, anal opening below, posterior 



view. 

 Fig. 72. — Posterior spiracles of same, dorsal view. 

 Fig. 73. — Posterior end of same, lateral view. 

 Fig. 74. — Male terminalia of P. (P.) lateralis (Macquart) (paratype cT of Agromyza coquil- 



letii Malloch), showing keel (K) of ninth tergite (9T). 

 Fig. 75. — Male terminalia of same, lateral view. 



Fig. 76. — Head of P. (P.) lateralis (Macquart) (holotype 9 of Agromyza coquillelti Malloch). 

 Fig. 77. — Wing of holotype cf of P. (P.) subangulata (Malloch), one-half size. 

 Fig. 78. — Head of same, front view. 

 Fig. 79. — Head of same, lateral view. 



