190 ME. "W. H. ASHMEAD 01?^ THE PAEASITIC HTMENOPTEEA 



as long as thick ; first flagellar joint a little longer than the 

 pedicel and slightly stouter than the second or the third ; the 

 joints beyond are all longer than the first and a little more than 

 thrice as long as thick. The dorsum of the pronotum is a little 

 longer than the mesonotum, margined anteriorly only, the sides 

 rounded ; mesonotum with slight traces of the parapsidal furrows 

 anteriorly ; scutellum with a transverse furrow at base ; meta- 

 thorax quadrate ; the truncature and sides striate ; the dorsum 

 has a medial carina that extends only to the upper edge of the 

 truncature, and with a short carina on each side at base, its 

 surface being finely transversely striate. "Wings hyaline or sub- 

 hyaline, pubescent, the venation brown ; the transverse medial 

 nervure is oblique, curved outwardly. Abdomen polished black, 

 the third segment the longest, not more than' one third longer 

 than the fourth. 



Hab. St. Vincent. 



Described from five specimens. The absence of distinct nieso-' 

 notal furrows causes doubt in my miud as to its being a genuine 

 Epyris. 



IsoBEACHiTJM, Forster. 



The two species recognized in this genus may be thus dis- 

 tinguished : — 



Mesonotal furrows indicated only anteriorly 2. 



Mesonotal furrows complete. 



Metathorax finely rugulose ; legs yellowish white ; 

 flagellum fuscous or brown ; first flagellar joint 

 four times as long as the pedicel and^a little 

 longer than the second, the joints beyond thrice 



as long as thick I. collinum, sp. n^ 



2. Metathorax finely sculptured, the sides almost 



smooth. 



Legs yellowish white ; flagellum fuscous ; pedicel 



rounded, not half the length of the first flagellar 



joint, the joints beyond the second two and a 



half times as long as thick I. albipes, sp. n. 



ISOBEACHIUM COLLINUM, Sp. n. 



S • Length 2 to 3| millim. Black,^shining, with sparse, dis- 

 tinct punctures ; mandibles and antennae pale ferruginous, the 

 latter fuscous towards the apex ; the depression above on collar 

 usually pale or yellowish ; legs, including coxae, yellowish white 

 or pale honey-yellow. Head across the eyes fully as wide as long ; 

 the eyes prominent, faintly pubescent. Mandibles broadened- 

 at tips, 5-dentate, the outer tooth long, acute, the second a little 



