252 niLLKTIN 45, TNITED STATKH NATIONAL MUSEUM. 



Metaclisis beloiiocnemae AhIiiii. 



(I'l. xr. Fijj. 3, 9.> 



Can. Knt., xix. ]». 12r>9 .— CroHM. Syii. Hym., )>. 248. 



9, Li'iijfth, 1.")""". IMack, i>i»a(nie, cloHcly, finely i)unctate.. Lejxs 

 and antenna', exi-ept the cliil), i>ale brownish yelh)w ; clftb biown black. 

 Antenna^ 10-j()inte<l, the Hciipe thick, clavate; i)e(licel longer and thicker 

 than the first funiclar joint ; first and second funiclar Joints cylindric, 

 eqnal or nearly so, tln^ first very slijjfhtly the lonf,'er; third and fourth 

 very minute transverse; club 4 Jointed, the Joints, except the last, 

 transviM'se, the last conical, lonj;cr than the jjreceding. Parapsidal fur- 

 rows distinct. S<'Utellnin convex with a carina around the posterior 

 margin. Teguhe <lark brown. Wings, hyaline, the submarginal vein 

 yellowisli. 



Abdomen oval, as h>ng as the tlunax, smooth, shining, exeept the 

 first segment, which is a litth; roughened from some stria;. 



IIAKITAT. — Jacksonville, Fla. 



Type in Coll. Ashmead. 



This si>ecies was reared by myself from a Cynipid gall, Belonocnema 

 treniiv JNIayr, and it is undoubtedly i)arasitic on a Cecidomyiid inhabit- 

 ing tiie gall. 



Metaclisis erythropus, AHhin. 



C'iiu. Knt., XX, p. 51. 



$. Length, 2.5""". Black; head opaque, coarsely rugose on the 

 vertex and cheeks; face transversely aciculated, with a central de- 

 pressed line extending forward from the middle ocellus. Antenila; 

 10-join ted, black; pedicel as long as the second funiclar joint; first 

 funiclar joint small, second swollen; club G jointed, the joints longer 

 than wide, subpedi(!ellate, hairy, the last joint conical, longer than the 

 preceding. Thoraxfmely reticulated, or scaly; parapsidal grooves dis- 

 tinct, converging and meeting nt the base of the scutellum. ]\[eta- 

 tliorax covered with a sericeous pubescence. Legs rufous, the coxse 

 black. Abdomen black, polished. Wings subhyaline (i)robably tinged 

 from the cyanide bottle), faintly jjubescent, the teguh'c lufo-piceous. 



Habitat. — Ottawa, Canada. 



Type in Coll. Ashmead. 



Described from a single specimen received from Mr. W. Hague Har- 

 rington. 



MONOCRITA Forster. 



Hym. Stud., ii, p. 106 (1856) 



(Typo M. atinas Walk.) 



Head transverse, wider than the thorax; ocelli 3, in a triangle, the 

 lateral as far from the front ocellus as to the eye margin. 

 Autennie inserted just above the clypeus, 10-jointed in both sexes, 



