280 Journal New York Entomological Society. t^'"'- x^- 



Black, a line around the eyes and continued on to the face into antenna! 

 groove, anterior face and sides of prothorax, tegulae and a thin stripe above, 

 mesopleura, base and sides of abdomen reddish brown, antennse fuscous, scape 

 and pedicel reddish brown, black above. Ocelli red. Legs pale reddish brown, 

 outer faces of coxae, femora and tibiae marked with black, which is more exten- 

 sive on posterior pair. 



Wings hyaline, faintly iridescent, marginal vein short, stigmated, post- 

 marginal and stigmal veins about equal and quite short, a thin brown, parallel- 

 sided band reaching two thirds across wing. 



From gall of Disholcaspis eldoradcnsis on Qucrcns dumosa. 



Described from one specimen in Coll. L. S. J. U. (Lot 509, s. 19). 

 D. gracilis, new species. 



Male. — Length 2 mm., expanse of wings 3.15 mm., greatest width of fore- 

 wing .70 mm. Head and thorax umbilicately punctate, rather thickly clothed 

 with whitish pubescence which is considerably lengthened on mesosternum, 

 laterally on metathorax and outwardly on hind coxae ; abdomen smooth and 

 shining; petiole and mesopleura in front faintly shagreened, the latter behind 

 aciculate. Head transverse, fairly thick anterior-posteriorly, eyes small, face 

 broad, front wide between the eyes, ocelli arranged in an obtuse triangle, 

 antennae inserted at lower level of eyes, 8-jointed (only 4 joints in funicle). 

 Thorax convex, pronotum as long as mesonotum, parapsidal grooves indistinct, 

 scutellum convex and rounded posteriorly, metanotum somewhat convex. 

 Abdomen compressed, ovate from above, triangular from side, 3d segment 

 longest, covering more than half the abdomen and enclosing those following, 

 petiole fairly long and slender, tip of abdomen hairy. Legs pubescent, hind 

 tibiae with rows of bristles on posterior face, fore and hind coxae and femora 

 somewhat swollen, a few long hairs on hind coxae. 



Black, the face anteriorly, pronotum (except for a median V-shaped black 

 area anteriorly) and legs lemon yellow (mid and hind femora and tibiae and 

 hind coxae outwardly marked with black) ; antennae brown beyond the pedicel. 

 Wings hyaline, faintly iridescent, marginal vein short and stigmated, the stigma 

 semicircular and black, stigmal vein slightly projecting. 



From gall of Andricus querciis-californicns. 



Described from one specimen in Coll. L. S. J. U. (Lot 508, s. 30). 



EULOPHID^. 



Tetrastichin^, 

 TETRASTICHUS Haliday. 

 T. pattersonae, new species. 



Female. — Length 2 mm., expanse of wings 4 mm., greatest width of fore- 

 wing .92 mm. Head and thorax faintly reticulately rugose with a system of 



