Sept., 1904.] ASHMEAD : HyMENOPTERA FROM JaPAN. 163 



Subfamily IV, Elachertin.^. 



Tribe I, Euplectrini. 

 Genus EUPLECTRUS Westwood. 

 Euplectrus japonicus, new species. 



$ . Length, 1.5 mm. Black and shining, the abdomen with a yellow spot at 

 base above, brownish-yellow beneath ; antennae and legs pale yellowish, the front and 

 middle coxae yellowish-white, the hind coxk black ; wings hyaline, the veins pale. 



The head is highly polished, impunctate, clothed with some sparse long hairs ; 

 the pedicel is obconical, a little longer than thick at apex ; first funicle joint stouter, 

 about l^ times as long as thick, the second hardly longer than thick, the third and 

 fourth stouter, a little wider than long ; club short, ovate, stouter ; the mesonotum is 

 finely rugulose but without a median carina posteriorly, the scutellum including the 

 axilla; and the metathorax are perfectly smooth, highly polished, the latter with a 

 sharp median carina. 



Type. — No. 720S, U. S. National Museum. 



Japan. 'Described from a single specimen, labelled No. 1303, 

 bred by Mr. A. Koebele, from an unknown noctuid larva. 



Euplectrus nigromaculatus, new species. 



9 . Length, 1.6 mm. Brownish-yellow, the eyes brown, a transverse band on 

 occiput, one on the front of the pronotum and one on the front of the mesonotum, a 

 spot on the lateral mesothoracic lobe, the metathorax, and spots on the lateral margins 

 of the abdomen, black ; scape and legs yellowish-white ; flagellum brownish ; wings 

 hyaline, the marginal and postmarginal veins brown, the submarginal and the stigmal 

 veins yellowish. 



Type. — No. 7209, U. S. National Museum. 

 Hakone (Mr. A. Koebele). Many specimens. 



Tribe H, Ophelinini. 

 Genus SYMPIESOMORPHA Ashmead. 

 Sympiesomorpha japonica, new species. (PI. VIII, Fig. 5.) 



9 . Length, 2 mm. Brownish-yellow, the middle of the head, the prothorax 

 above, the apex of the scutellum and the metanotum, black ; eyes brown-black ; abdo- 

 men aeneous, beneath and sometimes the sutures above pale ; scape of antennce and 

 the legs yellowish-white ; flagellum brown ; wings hyaline, the veins pale-yellowish. 



Type. — No. 7220, U. S. National Museum. 

 Gifu (Mr. Y. Nawa). Two specimens. 



Genus OPHELINOIDEUS Ashmead. 

 Ophelinoideus japonicus, new species. (PI. VIII, Fig. 4.) 



9 . Length, 3.5 mm. Dull bronzed green, closely punctate, the head in front 

 with a bluish green tinge, the abdomen aeneous ; scape of the antennae, tips of troch- 



