380 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.xxii. 



rufous tinge at apex. Mandibles rufo-piceous, 3 dentate. Thorax with 

 a sparse pubescence, the metapleura with a silvery-white pubescence; 

 the lunate mark before tegulse wanting; scutelluni iinely, feebly sha- 

 greened ; metathorax very short, polished. Legs ferruginous, the coxte 

 black, the femora brownish or obfuscated, excepting toward tips, the 

 middle and hind tibite at base also obfuscated. Wings liyaline, the 

 venation pale brownish, the stigmal vein oblique, about as long as 

 the marginal and postmarginal veins united. Abdomen couico-ovate, as 

 long as the head and thorax united, ending in a broadly compressed 

 ovipositor which is longer than half the length of the abdomen. 



Type.—G'.xt. No. 4749, U.S.N.M. 



Habitat. — Virginia and District of Columbia. 



Host. — Coleop. : Hlasmocerns terminatus Say. Bred by Frank H. 

 Chittenden. 



3. CERCHYSIUS FLACCUS Walker. 



Evcijrtus {Cercliysins)flaccus\NAU\-F,\{, Ann. and Mag. Nat. Hist., XX, 1847, p. 21, 



female.— Cresson, Syn. Hym, N. A., 1887, p. 2. 

 Cercliysiua jiaceus Dalla Tourk, Cat. Hym., V, 1898, p. 244. 



Hahitat. — Florida. 



4. CERCHYSIUS HUBBARDII Ashmead, new species. 



Female. — Length, 2,() mm. Blue; head on vertex and the mesonotum 

 metallic blue-green, the basal abdominal segments laterally blue-green; 

 scape honey-yellow, the pedicel and the flagellmn brown-black; legs, 

 except coxa% the base of anterior femora, and the basal two-thirds of 

 hind femora pale ferruginous or brownish-yellow; sheaths of ovipositor 

 very broad, testaceous. Wings hyaline, the teguhie brown-black, the 

 venation testaceous. 



Type.— Qui. No. 5080, U.S.N.M. 



Habitat. — California: Salton. 



Bred by E. A. Schwarz from a beetle, Vrelleta hiibbardi Schwarz 

 miinuscript, infesting the stems of Alleurofia occide^italis, collected at 

 Salton, California, by H. G. Hubbard, in March, 1897. 



5. CERCHYSIUS (?) ICERY^ Howard. 



Cercliysivs iceryw Howard, Ins. Life, IV, 1892, p. 379, female. 

 Type.— Gilt. No. 1490, U.S.N.M. 

 Habitat. — West Indies: Jamaica. 



Host. — Rhynch. ; Icerya roscv Kiley and Howard. This may not be a 

 Gerchysius sens. str. 



6. CERCHYSIUS PALLIDIPES Provancher. 



Coptdosoma palUpes Provanchkr, Add. Fn. duCan. Hym., 1887, p. 205.— Crksson, 

 Syn. Hym., 1887, p. 239.— Dalla Torre, Cat. Hym., V, 1898, p. 243. 



i/a/!>ito/.— -Canada: Ottawa. (W.H.Harrington.) 



