OP THE ISLAND OF ST. VINCENT. 75 



yellowisli ; six basal joints of antennse pale brown, tbe seven 

 terminal joints black ; legs yellow. Antennae IS-jointed, the 

 seven terminal joints enlarged, about one fourtb longer than tbick, 

 fluted ; the four funicle-joints are slender, the first the longest, 

 the following subequal, longer than thick. Scutellum rugose at 

 sides, the cup not large, elliptic, narrowed a little at base, the 

 outer margin yellow, the disk excavated. Wings hyaline, ciliated, 

 the venation pale ; the marginal cell is less than once and a half 

 as long as wide, open along the outer margin, the second abscissa 

 of radius being but slightly longer than the first. Abdomen 

 scarcely longer than the thorax, polished, with a woolly girdle at 

 base. 



Sal. St. Vincent. 



Described from a single specimen. 



EucoiLA, Westw. 



Several distinct species in this genus are in the collection, and 

 may be separated as follows : — 



Moderate-sized species 2. 



Large species. 



Abdomen and legs rufous. 



Dorsum of cup divided into two nearly equal parts by 

 a transverse carina. 

 Collar with a tuft of yellow hairs on each side, its 

 projecting ridge deeply emarginated at the 



middle E. basalis, Cr. 



2. Legs, including coxae, yellowish or rufous. 



Sides of scutellum areolated, its cup small, much elevated 

 posteriorly, and produced into a long carina ante- 

 riorly ; metathorax more or less rufous, pubescent, 



iffe neck rugose E. claripennis. 



Sides of scutellum finely rugose, its cup rather large, 

 broadly oval, without a carina anteriorly, its dorsum 

 smooth, with a transverse fovea behind, and about 

 six punctures surrounding the margin anteriorly; 

 metathorax black, almost bare, its neck striated . . E. ovalis. 



EucoiLA BASAiis, Or. Proc. JEnf. Soc. PJiil. iv. p. 5. 

 Sab. Cuba and St. Vincent. 



A large_ series of this species was taken by Mr. Smith. 



7* 



