PARASITIC HYMENOPTERA. 555 



Wings hyaline, the veins pale yellowish. Antenna lo- 

 jointed, with two ring joints, the funicle 3 -jointed, the 

 first two joints subequal, more than twice longer than 

 thick, the third only about twice as long as thick, the 

 club ovate, 3-jointed. Abdomen ovate, polished black, 

 with a short finely rugose petiole, the body of abdomen 

 at apex is clothed with sparse black hairs. 



Described from one ? specimen. 



This genus has only been characterized recently by 

 the writer, the types coming from St. Vincent, West In- 

 dies. The present species approaches nearest to C. -pct- 

 iolata, but it is larger, not so smooth, with the facial stri^ 

 coarser, while the joints of the funicle are proportionately 

 longer. For description of the genus and the other two 

 species see Journal of the Linnean Society, Zoology, vol. 

 XXV, 1894, pp. 178-179. 



Tetrastichus Haliday. 



38. Tetrastichus orbitalis sp. n. 

 $ . — Length i.i mm. Shining black; face, orbits, 

 scape, pedicel beneath, anterior margin of pronotum, 

 inner margins of the scapula, tegul^, base of abdomen 

 and legs, except the coxa and the middle and hind fem- 

 ora, brownish-yellow. Flagellum light brown, the three 

 funicle joints gradually shortening, but also thickening, 

 the first the longest, a little more 'than twice as long as 

 thick, the last only about i^ times as long as thick, the 

 club large, stout, ovate, 3-jointed, fully twice as thick as 

 the first joint of the funicle. Wings hyaline, ciliated, 

 broadly rounded at tips. Abdomen sessile, ovate, as long 

 as the head and thorax united and much broader than the 

 thorax, with the sheaths of ovipositor somewhat prom- 

 inent. 



Described from one ? specimen from San Lazaro. 



