456 PROCEEDINGS OF THE NATIONAL MUSEUM 



Figures 80-94. — Phytobia species. Heads are shown in profile except where noted. The 



solid line equals 1 mm. 



Fig. 80. — Head of holotype cf of Phytobia (Dhygomyza) magnicornis (Loew). 



Fig. 81. — Wing of same, one-half size. 



Fig. 82. — Head of lectotype (^ of P. (Z).) thompsoni Frick. 



Fig. 83. — Head of same, front view. 



Fig. 84. — Posterior end of abdomen and male terminalia of same, lateral view. 



Fig. 85. — Head of P. {Icteromyza) capitata (Zetterstedt) (cf , Germany), front view. 



Fig. 86. — Wing of holotype 9 of P. (7.) longipennis (Loew), one-half size. 



Fig. 87. — Head of lectotype <f of P. (/.) pollinosa (Melander). 



Fig. 88. — Head of P. (Trilobomyza) verhasci (Bouche) (cf, Germany, ex Scrophularia 



nodosa L.), front view. 

 Fig. 89.— Head of holotype 9 of P. {T.) calypirata (Hendel). 

 Fig. 90. — Head of holotype 9 of P. {T.) pleuralis (Malloch), third antennal segment 



missing. 

 Fig. 91.— Head of holotype 9 of P. {T.) varia (Melander). 

 Fig. 92. — Head of P. (Praspedomyza) approximata (Hendel) ( 9 , Germany, ex Daphne 



ntezereum L.), front view. 

 Fig. 93. — Head of P. (P.) clara (Melander) (cf. Mount Hermon, Santa Cruz County, 



Calif., ex Pteridium aquilinum (L.) Kuhn). 

 Fig. 94. — Head of holotype c?" of P. (P.) subinfumata (Malloch). 



