NORTH AMERrCAX HYMKXOPTKRA. 145 



tennai 14-jointed, long, when extended backwards reacliinj; to about tlie middle 

 of abdomen, terminal joint longer than the preceding joint. Abdomen globose, 

 slightly compressed, sheaths generally hidden. Wings hyaline, pubescent, veins 

 brownish, marginal cell long and narrow, marginal nervure reaches the costal 

 edge; areolet distinct; cubital cell nearly closed; cubital nervure reaches apical 

 margin. 



Described froui several specimens reared in March. 



30. AiKlricii!^ cryptiis n. sp. 



Gall. — A small cocoon-like gall one-tenth of an inch in diameter, hidden in a 

 branch under the bark and not visible externally. There is no appreciable 

 swelling of the branch from this gall-fly, the fly escaping by cutting a hole from 

 its larval cell through the bark; observing these holes in the bark led to its 

 discovery. 



Gall-fly. 9 ■ Length .12 inch. Color : head, antennte, thf)rax and legs red- 

 dish brown; abdomen red. Antennse 13-jointed, rather stout, joints narrowed 

 at base ; head and thorax coufluently punctate, parapsidal grooves not sharply 

 defined, but distinct; a distinct, but delicate median groove; scutellum sub- 

 quadrate rounded posteriorly, depressed at base with two widely separated fovese. 

 Abdomen dilated below, as wide vertically as long, the second segment lengthened, 

 surrounded at base by a woolly girdle, following segments short, but visible ; 

 sheaths not projecting. Wings glassy-hyaline, veins pale, with a slight yellowish 

 tinge, marginal cell open along margin ; areolet and cubitus obliterated. 



Described from two specimens reared in May, 1886. 



Galls on White Oak (Quercus alba). 



31. Dr.yoplianta Carolina n. sp. 



Gall. — A small, hard cellular, finely pubescent globular gall, .20 inch in diam- 

 eter, slightly attached to the petiole of a leaf. 



Gall-fly. — 9- Length .11 inch, robust. Color: head and abdomen brown, 

 thorax black, antennae and legs reddish brown. Autenuie 14-jointed, about as 

 long as head and thorax combined ; scutellum rugoso-punctate, pubescence long; 

 abdomen as long as head and thorax together, sheaths projecting and with long 

 hairs. Wings hyaline, pubescent, veins very distinct and thick, black, radial 

 vein thickened, second transverse vein in a smoky cloud, areolet and cubital cell 

 distinct, the latter closed, cubital nervure extends to apical margiu 



Described from two specimens reared in February fi-om galls col- 

 lected in Asheville, K. C, October, 1886. 



Gall-jUes captured at large, their galls unknown 



32. Dryophaiita texana n. sp. 



9 .—Length .17 inch. Color : head and thorax black, antennic, legs, including 

 coxaj and abdomen brownish red, fii-st two antennal joints brownish yellow. Au- 

 tennse 14jointed, reaching to tip of scutellum; head finely punctate; ocelli large, 

 prominent; thorax smooth, polished, with two parapsidal grooves, pleui-se and 

 metathorax rugose, the disk of mesopleurse smooth and polished; scutellum 

 large rugoso-puuctate, projecting over metathorax ; wings hyaline, veins thick, 



TRANS. AMER. ENT. SOC. XIV. (19) SEPTEMBER, 1887. 



