Sept., 1913.] Melander: Synopsis of Diptera. 251 



Agromyza Fallen. 



Tablk of the Species of Agromyza Fallen, Inclusive of Domomyza Rondani 

 AND Liriomyza Mik. 



Halteres black ; black or metallic species ; ocellar triangle elongate and pol- 

 ished ; frontal orbits polished ; auxiliary vein ending in or close to the 

 first vein 2. 



Halteres whitish or yellow; ocellar triangle small and opaque; frontal orbits 

 usually not differentiated; auxiliary vein usually ending independently 

 in the costa 15. 



2. Calypter and its hairs white ; metallic species 3. 



Calypter margined with black, its hairs dusky 6. 



3. Lower part of face in profile receding; veins black; the fourth vein diverg- 



ing from the third 4. 



Lower part of the face projecting; veins subfuscous ; fourth vein straight. 

 (Pa.,* Mass.,* N. J.,* Ont., 111.,* Ga., La.,* Tex.,* Wyom.,* Cal., Id.) 



virens Loew. 



4. Costa evanescent beyond the tip of the third vein; wings broad; cheeks 



broad. (Wash.*) {Domomyza) tamia n. sp. 



Costa reaching the fourth vein ; wings normal ; cheeks narrow. {anei- 

 ventris Fallen.) 5. 



5. Last two segments of the fourth vein proportioned 1:3; the fourth vein 



ends beyond the wing-tip ; the segments of the fifth vein 3 : 2. (Eur. ;* 

 N. Y.,* N. J., W. Ind., Ga., N. Mex., Cal.,* Id.,* Wash.*) 



ceneiventris Fallen, sens. str. 

 Segments of the fourth vein proportioned 1:4; the fourth vein less diver- 

 gent from the third; segments of the fifth vein i : i. (Eur.;* Cal.,* 

 Wash.*) ceneiventris var. cimctans Meigen. 



6. Metallic species ; segments of fourth vein 1:3; segments of the fifth vein 



3:2; face not receding. (Eur. ;* Id.,* 'WdiSh*).. pseudocunctans Strobl. 



Shining black species ; segments of the fourth vein proportioned i : 4 to 



1:8 7. 



7. Sixth vein very evident and reaching nearly to the margin of the wing. 



(Eur., Afr., Asia ; Mass.) schineri Giraud. 



Sixth vein not very evident, and always abbreviated 8. 



8. Male with a conspicuous curved tapering bunch of oral vibrissae ; lower 



angle of the face of (^ conspicuously produced; four frontal bristles; 

 pubescence of frontal orbits sparse and inconspicuous ; face sub- 

 tuberculate between the antennae. (Eur. ;* Mass.,* 111.,* La.,* Id.,* 



Wash.*) curvipalpis Zetterstedt. 



Oral vibrissae but one or two in number and not bunched ; vibrissal angle 

 not produced 9. 



9. Middle tibiae with two bristles on the extensor side; no vibrissal angle to 



the face; front largely yellow; four fronto-orbitals ; frontal orbits 

 linear and nearly bare; arista five times as long as the third antennal 



