136 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.46. 



the table should serve to distinguish the genus from Pholeomyia. 

 Represented in the U. S. National Museum collection by one speci- 

 men from Nicaragua. 



Genus ALDRICHIELLA Hendel. 



Plate 6, figs. 25, 30. 



Aldrichiella Hendel, Wien. Ent. Zeitg., vol. 30, 1911, p. 35. 



A single species belonging to this genus is known from America, 

 namely, A. agromyzina Hendel. Locality: Brookings, South Dakota. 

 According to Becker's description the species bears a superficial 

 resemblance to Agromyza scittellata Fallen. 



PARAMADIZA, new name. 



The species lialteralis C'oquillett (Desmometopa) belongs to Madiza 

 according to Hendel in the paper already cited under Aldrichiella. 

 Madiza Fallen has as type oscinina Fallen, which is a chloropid. 

 The European species glahra is congeneric with lialteralis. Owing to 

 the fact that no name is available for this genus I have to propose a 

 new one. The type of this genus is Paramadiza Jialteralis, as indicated. 



Genus PHYLLOMYZA Fallen. 



Phyllomyza Fallen, Dipt. Suec. Ochthid., 1823, 8, species 1. 



Generic characters.— This genus may be distinguished from other 

 Milichinse by the very large third antennal joint in the male and by 

 the exceptionally developed palpi in both sexes. Paramyia, which 

 bears a rather close resemblance to this genus, has the outer cross 

 vein absent, and Agromyza laterella Zetterstedt, which has the third 

 joint enlarged, has the palpi normal and the postvertical bristles 

 divergent. There is but one European species described so far, 

 P. securicornis Fallen. 



SYNOPSIS OF MALES KNOWN IN PHYLLOMYZA FALLEN. 



1. Mesonotum with four pairs of distinct dorso-central bristles; male palpi not longer 



than height of head, moderately hairy; cheeks distinct securicornis Fallen. 



Mesonotum with two pairs of distinct dorso-central bristles; male palpi distinctly 

 longer than height of head, densely hairy; cheeks linear, almost absent. 



hirtipalpis, new species. 

 PHYLLOMYZA SECURICORNIS Fallen. 

 Plate 5, fig. 17. 

 Phyllomyza securicornis Fallen, Dipt. Suec. Ochthid., 1823, 8, species 1. 

 Agroviyza securicornis Meigen, Syst. Beschr., vol. 6, 1830, p. 171, species 13. 

 Agroviyza flaviiarsis Meigen, Syst. Beschi-., vol. 6, 1830, p. 107, species 13. 

 Agromyza morosa Meigen, Syst. Beschr., vol. 6, 1830, p. 170, species 8. 



Male and female. — Entirely shining black or black-brown, only the 

 apices of femora, entire fore tibiae, mid and hind tibise at bases and 

 apices, entire tarsi on all legs, and halteres yellow. 



