No. 22.] HYMENOPTERA OF CONNECTICUT. 519 



antennae from pale honey-yellow to rufous, rarely with brown- 

 black above on the flagel; pronotum either spotless, or with a 

 subquadrate black patch over it, or with only the lateral and basal 

 portions black; mesonotum and metanotum black, generally with 

 the sutures and the entire postscutellar triangles of the 

 mesonotum yellow or rufous, pleurae usually immaculate, rarely 

 varied somewhat with black; legs usually with an abbreviated 

 black mark on the femora, with occasionally all of the posterior 

 femora black except extreme base and apex, tibiae with a macula- 

 tion analogous to that of the femora, all except hind coxae spot- 

 less, the hind coxae more or less maculated with black above ; wings 

 mostly hyaline, stigma and veins black ; abdomen with the petiole 

 in the male nearly two-thirds and in the female nearly one-fifth 

 as long as the rest of the abdomen; the abdomen mostly black, 

 with the petiole, two or three segments beyond, and the venter,, 

 often more or less piceous, rufous or honey-yellow; or the male 

 abdomen may be mostly honey-yellow, with a black patch on 

 posterior half of the dorsum. 



Bred from galls of Andricus podagrce. 



Eudecatoma Ashmead. 

 Spalangia. ' 

 °E. quercilanae Fitch. 



Length 2-2.5 "^"^- > mostly black, with the face, antennae, and 

 propleurae whitish or greenish yellow; legs .whitish or greenish 

 yellow, upper side of hind femora and first joint of antennae 

 sometimes black, stigma black ; abdomen beneath tawny red. 

 °E. quercilanae var. dorsalis Fitch. 



Thorax pale greenish yellow, with a black stripe along its 

 middle; abdomen yellow, black above, and usually with black 

 lateral bands. 



Bred from Philonyx erinacei and Ceroptres Hens. 



Macrorileya Ashmead. 



°M. oecanthi Ashmead. Rileya cecanthi. 



Female : length 6 mm. ; mostly black ; face with two furrows 

 extending from base of antennae to clypeus ; parapsides distinct ; 

 wings hyaline, veins black, marginal vein longer than the sub- 

 costal, stigmal vein not quite one-third as long as the marginal, 



