152 Journal New York Entomological Society. [Voi. xii. 



light brownish-yellow, the tarsi paler ; wings hyaline, the marginal and short stigmal 

 vein brown, the latter enclosed in a small, fuscous cloud. The head, except some 

 longitudinal striae on the face, is smooth ; the antennae are long, the joints of the 

 flagellum being rather long and cylindrical, the first joint about six times as long as 

 thick ; the thorax is coarsely rugose, with distinct parapsidal furrows, the scutellum 

 produced at apex and ending in two short prongs ; the abdomen is longly petiolated, 

 the petiole being longer than the hind femora, smooth and shining, brown or brown- 

 black with its apex yellow, while the body of the abdomen is ovate, a little more 

 than twice longer than thick. 



Type. — No. 7167, U. S. National Museum. 



Sapporo. Described from two specimens (one imperfect) received 

 from Dr. Matsumura. 



Family LXVI, MISCOGASTERID.^. 



Subfamily II, Tridymin^. 



Genus TRIDYMUS Ratzeburg. 

 Tridymus hakonensis, new species. 



Fe?nale. — Length, 1. 5 mm. yEneous-black, smooth, the head anteriorly, the 

 middle mesothoracic lobe, and the scutellum brassy ; legs reneous, the tibiie brown, 

 the tarsi yellowish ; wings hyaline, the veins brown ; abdomen conic-ovate, subcom- 

 pressed, pointed at apex, the sides metallic-greenish. 



Type. — No. 7180, U. S. National Museum. 



Hakone. Described from two specimens collected by Mr. A. 

 Koebele. 



Subfamily III, Miscogasterin.«. 



Tribe I, Halticopterini. 



Genus HALTICOPTERA Spinola. 



Halticoptera laticeps, new species. 



Male. — Length, 2.6 mm. Robust, blue-black, the dorsum of the thorax 

 dull bronzed ; scape of antenna;, the mandibles, except the teeth and the legs, except 

 the coxae, honey-yellow, the tarsi pale yellowish, the femora medially more or less 

 brownish ; wings hyaline, the veins brown, abdomen bluish. The head is very wide, 

 fully four times as wide as thick antero-posteriorly, the space between the eyes being 

 very wide, the ocelli pale, arranged in an obtuse triangle ; flagellum brown-black, 

 the joints, except the first and second, a little wider than long. 



Type. — No. 7181, U. S. National Museum. 



Hakone. Described from one specimen received from Mr. A. 

 Koebele. 



