462 PROCEEDINGS OF THE NATIONAL MUSEUM 



Figures 131-149. — Phytagrumyza, Pseudonapomyza, Napomyza, and Phytomyza species. 

 Heads shown in profile. The solid line equals 1 mm. except where noted. 



Fig. 131.— Head of Phytagromyza nitida (Malloch) (cf, White Heath, 111.). 



Fig. 132. — Head of lectotype cf of P. orhitalis (Melander). 



Fig. 133. — Head of holot)'pe cT of P. plagiata (Melander). 



Fig. 134. — Wing of P. flavocingulaia (Strobl) (cf, Germany), greatly enlarged, solid line 



equals 0.5 mm. 

 Fig. 135. — Wing of Psendonapomyza atra (Meigen) (cT, Germany), greatly enlarged, solid 



line equals 0.5 mm. 

 Fig. 136. — Head of holotype ? of P. iMteipennis (Malloch). 

 Fig. 137. — Head of holotype ? of Napomyza davisii (Walton). 

 Fig. 138. — Head of holotype ? of N. parvicella (Coquillctt). 

 Fig. 139. — Head of paratype c? of Phytomza affinalis Frost. 

 Fig. 140. — Head of holotype cf of P. angelicella Frost. 

 Fig. 141. — Head of holotype cf of P. aquilegiana Frost. 

 Fig. 142. — Head of holotype $ of P. airipalpis Aldrich. 

 Fig. 143. — ^Wing of same, one-half size. 

 Fig. 144. — Head of holotype 9 of P. auricornis Frost. 

 Fig. 145. — Wing of holotype cf of P. centralis Frost. 

 Fig. 146. — Mesonotum of holotype cf of P. cleviativora Coquillett. 

 Fig. 147. — Head of same, third antennal segment and both vertical setae missing. 

 Fig. 148. — Wing of same. 

 Fig. 149. — Head of holotype 9 of P. delphinii Frost. 



