aldrich : DOLicnopoDiD.K of grknada, W. I. 83 



Neurigona decora, n. sp. 



Male : Eyes barely contiguous on the upper part of the face, 

 slightly separated above and below ; front broad, opaque, dark ; 

 antenna' small, red, the tip of the third joint brownish ; orbital 

 cilia pale. Thorax bright, shining blue, the concavity before 

 the scutellum more bronze ; pleura 1 green, with thin dust, and 

 the hind margin yellow ; tegular cilia yellowish. Abdomen 

 rather short, the first two joints yellow, the rest dark green, 

 shining above. Hypopygium rather prominent, exserted, yel- 

 low. Coxa^ yellow, the middle ones dark at base ; remainder of 

 legs and the tarsi yellow ; a slender hair on the outer side of the 

 second joint of the fore tarsus at its apex. Wings a little yel- 

 lowish ; the fourth vein converges toward the third at the end, 

 terminating before the apex of the wing. 



Female : Face linear ; eyes not contiguous. 



Length, 2.8 to 3 mm. Two males, two females. One of the 

 latter is from St. Vincent, but was not mentioned in the pre- 

 vious paper. 



Anepsius linearis. 



Aldrich, Trans. Lond. Entom. Soc, 1896, 317. 



Nineteen specimens. 



Eutarsus sinuatus. 



Aldrich, Trans. Lond. Entom. Soc, 1896, 334. 



Nineteen specimens. 



PLAGIONEURUS. 



Loew, Wien Ent. Monatsch., I, 43. 



Plagioneurus univittatus. 



Loew, loc. cit.; Neue Beitr., VIII, 69; Monogr., 196. 

 Williston, Trans. Amer. Ent. Soc, XIII, 295. 



One female. This species has a very striking distribution, 

 considering that it is everywhere uncommon. It is found from 

 Brazil as far north as South Dakota, and east to Massachusetts. 



SYMPYONUS. 



Loew, Neue Beitr., V, 42, 1857; Monogr., 185. 



Sympyonus frater, n. sp. 



Male : Front blackish with gray dust ; face narrow below, of 

 the same color ; antennae of moderate length, first two joints 



