OF THE ISLAND OF ST. VINCENT. 191 



shorter, the three following very small, about equal. Antennae 

 13-jointed, filiform, tapering toward tips, extending to the base 

 of the metathorax ; scape curved, clavate, the length of the eye ; 

 pedicel small, rounded ; first flagellar joint longer than the 

 second, three and a half times as long as thick, the following 

 joints thrice as long as thick. Pronotum finely transversely 

 striated or closely minutely punctulate, the depression in collar 

 above usually yellowish, rarely entirely black, the posterior margin 

 tinged with piceous. "Mesonotum with two distinct furrows. 

 Scutellum with a profound fovea at base. Metathorax twice as 

 long as wide, roundedly truncate posteriorly, dorsally rugulose, 

 with an indistinct median carina and carinated along the superior 

 edges of the sides. Tegulse white or yellowish. Wings sub- 

 fuscous, pubescent, the venation brown ; the transverse medial 

 nervure is oblique, and there is a more or less distinct, rhom- 

 boidal discoidal cell ; the radial vein is very long. Abdomen 

 oblong-oval, depressed, subpetiolated, black or dark piceous^ 

 banded or tinged with rufous. 



Sab. St. Yincent. 



Described from three specimens. 



ISOBEACHIIJM ALBIPES, Sp. U. 



<S . Length 2\ millim. Black, shining, at the most very faintly 

 microscopically punctulate ; mandibles and antennae brown, the 

 latter fuscous toward the tips ; legs pale, whitish yellow or 

 honey-yellow. The mandibles are broadened and truncate at 

 apex, the two outer teeth acute, followed by three or four minute, 

 blunt denticulations. Antennae 13-jointed, extending to base of 

 abdomen ; pedicel very small, rounded, less than half the length 

 of the first flagellar joint ; the first flagellar joint about thrice as 

 long as thick, the following two and a half times as long as thick. 

 Thorax elongate, the prothorax triangular, a little longer than 

 the mesonotum, the latter with traces of the furrows only an- 

 teriorly. Scutellum with a transverse fovea at base. Meta- 

 thorax twice as long as wide, finely, faiutly, transversely rugu- 

 lose, the truncature rounded ofi", not margined above. "Wings 

 subhyaline, the venation brown ; the transverse medial nervure 

 is oblique, and the discoidal cell is only partially defined. Ab- 

 domen oblong-oval, depressed, more or less tinged with piceous. 



Sah. St. Vincent. 



Described from four specimens, captured at from 1000 to 2000 

 feet altitude. 



