NO. 2018. SYNOPSIS OF OENERA OF AGROMYZID.^—MALLOCH. 139 



the arista, which springs from its superior angle, finely pubescent. Face excavated, 

 retreating in proiile. Palpi very large, projecting; proboscis small, rather slender. 

 Thorax deep black; mesonotum shining, with black hair. Scutellum large, trape- 

 zoidal, with a stout bristle on each apical angle. Abdomen black, with black hair, 

 not shining; in shape, short ovate, the five segments of nearly equal length. Legs 

 black, the immediate tip of femora, the front tibiae, the middle tibiaj in part and all 

 the tarsi yellow. Wings neai-ly hyaline; basal cells small but complete; submarginal 

 cell naiTowed at the extremity, its costal margin only about half the length of that of 

 the first posterior tip of the wing; penultimate section of the fourth vein less than one 

 third the length of the ultimate section. , 



Length 1^ mm. 



One specimen. 



St. Vincent, West Indies. 



There is nothing in the foregoing description to distinguish this 

 species from either of the other two, except in its possession of only 

 two scutellar bristles, which I am certain is inaccurate. 



EUCHLOROPS, new genus. 



Generic characters. — Frons flattened, slightly produced in front; 

 oceUar triangle distinct; central rows of bristles distinct, but some- 

 times consisting of only two pau"s near to anterior margin; post- 

 vertical bristles slightly incurved; antennae normal in shape, arista 

 bare; vibrissse weak, but distinct; proboscis and palpi normal; 

 humerus with two bristles; dorso-centrals on mesonotum strong; 

 four scutellar bristles; meopleura bare; no strong bristles on sterno- 

 pleura, those that are present weak, and hair-like; abdomen five 

 segmented, the first indistinct; legs normal in shape and length; the 

 preapical bristles absent. 



Tyfe of genus. — EucJilorops vittata, new species. 



EUCHLOROPS VITTATA, new species. 



Plate 4, fig. 8; plate 6, figs. 24, 32. 



Female. — Frons yeUow, viewed from above as in figure 24, Plate 

 6, the strong orbital bristles black, the hairs, confined to anterior 

 half, pale yellow; outline of ocellar triangle, and ocellar region black, 

 or black-brown; antennse yellow, third joint black; arista black, pale 

 at base; face and cheeks entirely yellow, hairs and vibrissse yellowish 

 white; head in profile as figure 32, Plate 6; proboscis and palpi 

 black. Mesonotum yellow, with three longitudinal stripes, the center 

 one commencing on anterior margin and finishing rather wedge- 

 shaped before reaching posterior margin; the side stripes beginning 

 at behind humeri and of almost equal width on their entire length, 

 finishing at just in front of posterior pair of dorso-centrals; the four 

 pairs of dorso-centrals black, and of almost equal strength; no bris- 

 tles between the posterior pair; the short discal setulse yellow; 

 humeral and other marginal bristles black, and of moderate length; 



