370 Annals Entomological Society of America [Vol. IV, 



approximate, separated only by a carina, metathorax smooth and 

 covered with short appressed hairs. Abdomen longer than head and 

 thorax together, greatly compressed, smooth and shilling, 2nd and .'3rd 

 tergites connate, reaching apical margin, incised dorsally at apex for 

 one-third the length, exposing the following segments, posterior margin 

 of all the segments minutely punctate, ovipositor sheath projecting 

 obliquely from venter and reaching line of the tergum, ovipositor 

 exserted. Wings hyaline and clothed with rather long, erect hairs, 

 veins distinct and fuscous, radial cell short, closed, win at base slightly 

 arcuate, arcolet small, cubital vein reaching basal. Length 5 mm. 



Found in jar with galls from Quercus lobata. 

 Habitat. California. 



Synergus multiplicatus n. sp. 



Female. Black, the ocelli, face anteriorly, genae, orbital margin 

 and margin of occiput, antenna', ] ironotum (except medially), mesopleura 

 and legs (except hind tibia- and tarsi) yellowish to reddish brown. Head 

 broad, width twice length, coarsely rugoso-punctate, transversely 

 rugose on vertex, antenna' 14-segmented, 1st and 2nd segments obconic, 

 3rd segment longest, as long as 1 and 2 together and longer than 4ih by 

 a half, 5th and following segments progressively shorter, except the last, 

 which is nearly twice as long as penultimate, with fuscous tip. Thorax 

 rugose, mesonotum transversely wrinkled, parapsidal grooves complete, 

 median longitudinal lines and smooth lines over base of wings distinct, 

 mesopleura coarsely aciculatc, with small triangular patch beneath 

 wing smooth, fuscous beneath and pubescent, scutellum coarsely ni 

 almost coarsely reticulate, fovere longitudinal, oblique and shallow, 

 bottom rough, not exactly approximate. Abdomen smooth, 2nd and 

 3rd tergites connate, covering the greater part of the abdomen, 4th 

 tergite narrow posteriorly, all traced with microscopic reticulation, 

 dorsal valve and sheath of ovipositor projecting slightly and pubescent. 

 Wings hyaline, pubescent, veins brownish t < > black, radial cell closed, 

 vein at base arcuate, areolet small, cubitus not reaching basal vein. 

 Length 1.75-3 nun. 



Male. Similar to female except legs infuseate, metanotum black, 

 connate 2nd and 3rd tergites obscuring following segments, brownish 

 on posterior margin and punctate, face yellowish brown instead of 

 reddish brown, length about 2 mm. 



Bred from galls of Cynips kelloggi on Quercus douglasi. 



Habitat. Jasper Ridge, near Stanford University, Cal. 

 (R. W. Patterson.) Frohm, Cal. (R. W. Patterson.) Paso 

 Robles, Cal. (John Morehouse.) San Jose, Cal. (R. W. 

 Patterson.) 



