234 WILLIAM H. ASHMEAD. 



TetraMticliiis niiororhopalie sp. n. 



9 . — Lonjith l-l/i") mm. Ai-iieous-black the i)r()Steriuiin violaceous, the lueso- 

 iiotum, scutelluin and postscutelliini usually cupreous or greenish ; scape and 

 pedicel beneath light brown ; flagelluui suhclavate, brown-black, pubescent, the 

 funicular joints about one and a half times as long as thick, the club much 

 stouter, ovate, 3-jointed, the Joints very little longer than thick ; all trochanters, 

 the apical half of the anterior femora, tips of middle and hind fenx^ra and all 

 tibisE and tarsi, except last joint, pale yellowish white. Wings hyaline, the veins 

 pale, the marginal vein one-half longer than the submarginal. or three and one- 

 half times as long as the stigmal. Abdomen conic-ovate, as long as the head and 

 thorax united, with metallic reflections in certain lights, more decidedly cupreous 

 towards base. 



% . — Length 0.9 mm. Agrees with 9 - except in the antennse and the abdomen : 

 The scape is much shorter, the flagellum filiform, with long hairs, the joints 

 being fully twice as long as thick, while the abdomen is oblong-oval, hardly as 

 long as the thorax. 



Hab. — Roslyii, Va. 



Described from several specimens bred by Mr. Frank H. Chitten- 

 den from larva t)f a Coleopteron, MlcrorhojKihi xerene Newm. 



Telrastiolius «'hlaniytis s]). n. 



9. — Length 11. 25 mm. Blue-black, the axillai. scutellum and postscutellar 

 ridge with a slight asneons tinge; pedicel seneous; flagellum l>rown-black. pubes- 

 cent, tlie funicular joints a little longer than thi(rk : knees and all tibise and tarsi, 

 except last joint, brownish yellow, the trochanters .sometimes, but rarely, pale at 

 sutures. Wings hyaline, as in previous species. Abdomen conic-ovate, one-third 

 longer than the head and thorax united. 



\, . — Length 0.8 mm. Agrees with 9 • c^^'cpt the auteniiie are entirely light 

 brown, clothed with long hairs, the last two joints of the funicle being about 

 twice as long as thick, the anterior joints being shoiter. while the abdomen is 

 oblong-oval, scarcely as long as the head and thorax united. 



Hah. — Roslyn, A^a. 



Described from several specimens bred by ^Tr. Frank il. Chitten- 

 den from the cases of a Coleopteron, (J/i/hiiii/-^ j>/iriff(i Fabi'. 



This sj)ecies is closely allied to T. mlcrorhopahv, bnt is readily 

 di-^tinirnished l)y color and the lonu'er, more acute abdomen. It is 

 probablv livp('r[)arasitic on Mrtajion riitiijir-t Aslini. al.-jo bred from 

 tiiis case-bearer l)v Mr. Chittenden. 



