OF THE ISLAJTD OF ST. TINCENT. 151 



first segment more than twice the length of the second, the third 

 fully four times as long as the second, while the following are 

 very short, slightly withdrawn within the third. 



Sah. St. Vincent. 



Described from a single male specimen. 



EuKTTOUOCHAEis, Ashmead. 



Etjettomochabis MiisriMA, sp. n. 



(S $ . Length 1-6 millim. Black, umbilicate-punctate, with a 

 sparse whitish pubescence ; antennge and legs, except coxae, 

 reddish yellow, the hind tibiae behind with several long bristle- 

 like spines. Eyes large, almost circular. Pedicel stouter and 

 longer than the first funicle-joint, the scape being as long as the 

 pedicel and first two funicle-joints combined ; flagellum sub- 

 clavate, the funicle-joints oblong-oval, the club fusiform, 3-jointed, 

 much stouter than the funicle. Wings hyaline, the venation 

 pale yellowish, the marginal vein nearly twice the length of the 

 stigmal, the latter curving upwards, the postmarginal very little 

 longer than the stigmal. Abdomen conic-ovate, produced into a 

 conic point at apex, nearly sessile, with an alutaceous punctua- 

 tion at the sides, the 2nd segment (1st body- segment) being a 

 little longer than either the 3rd or 4th, which are about equal, 

 the 5th longer than all the preceding united. 



The male differs from the female only in its antennal and 

 abdominal characters : — The antennge (excluding ring-joints) are 

 8-jointed, the four funicle-joints nearly of an equal length, strongly 

 pedicellate at apex, with long bristly hairs, the scape being no 

 longer than the pedicel and first funicle-joint united ; the body 

 of abdomen is globose, with the 3rd segment the longest, it being 

 as long as the 1st and 2nd united, and encloses the following ; 

 while the petiole is almost as long as the body of the abdomen, 

 shining, and almost smooth. In this sex the hind femora have 

 a dusky or black cloud toward the apex. 



Sal. St. Vincent. 



Described from two female and two male specimens. 



IsosoMA, Walker. 



IsosoMA heteeomeea, sp. n. - ' 



c5" 5 . Length 3 to 4 millim. Black, the head and thorax 

 umbilicate-punctate, with a sparse white pubescence ; scape and 

 legs, except hind coxae, reddish yellow; flagellum brownish, 



