in the Collection of W. W. Saunders, Esq. 253 



Male. — Cinereous ; head luteous tawny ; a black dot on the 

 vertex ; antennae black ; hind borders of the abdominal segments 

 whitish ; knees testaceous ; wings very slightly greyish ; veins 

 black ; halteres whitish. 



Length of the body 1| line ; of the wings 3 lines. 



United States. 



Phytomyza diminuta. 



Fcem. — Pallide flava, thoracis disco cinereo, abdomine supra 

 nigricante, alis limpidis, venis nigris. 



Female. — Pale yellow ; disk of the thorax cinereous ; abdomen 

 blackish above ; wings limpid ; veins black. 



Length of the body ^ line ; of the wings 1^ line. 

 United States. 



Sub-fam. 10. Hydromyzides. 



Genus Ephydra, Fall. 



Ephydra lata. 



Fcem. — Nigra, nitens, pedibus piceis, alis cinereis apud venas 

 pallidioribus, venis transversis nigro-nebulosis. # 



Female. — Black, shining ; legs piceous ; wings grey, paler along 

 the veins ; transverse veins clouded with black. 

 Length of the body 2 lines ; of the wings 4 lines. 

 United States. 



Ephydra brevis. 



Fcem. — Nigra, obscura, thorace vittis quatuor cinereis, abdomine 

 seneo-nigro brevi latse nitente, tarsis fulvis, alis subcinereis, 

 venis pallidis, transversis nigris. 



Female. — Black, dull; thorax with four cinereous stripes; 

 abdomen ^neous black, short, broad, shining; tarsi tawny; wings 

 very slightly greyish ; veins pale ; transverse veins black. 



Length of the body 1^ line; of the wings 3 lines. 



United States. 



Ephydra oscitans. 



Fcem. — Nigra, nitens, scutello nigro-cyaneo, pedibus fulvis, alis 

 limpidis, areulis fusco-maculatis. 



