ENTOMOLOGICAL SECTION. XXXI 



antennfe 7-jointed and of a uniform yellowish-brown, joints of tlagellum excepting 

 terminal joint moniliform, the latter clavate three times as long as penultimate 

 and showing indications of two distinct sutures; abdomen black, smooth and 

 shining, fourth segment unusually large; wings hyaline, veins almost hyaline- 

 legs yellowish-brown, coxse black, tibife and tarsi yellowish approaching white. 



Described from one 9 bred June 11th, from the hickory gall 

 Phylloxera caryx-scissa Riley. 



This species is not parasitic on the phylloxera, but on an orange- 

 colored dipterous larva, very common in these galls. 



Eiirytoina siiccinipedis n. sp.— 9.— Length .12 to .14 inch. Head and 

 thorax brown-black, coar^^ely pimctate and microscopically pubescent ; antennre 

 8-jointed, rufous, base of fiagellum infuscated and with the ultimate twice as long 

 as the penultimate joint; abdomen black, smooth and shining, lateral turfs of 

 whitish pubescence on sixth segment: wings hyaline, veins brown; legs rufous, 

 coxse black, the rufous of tibiae shading oft' towards tips and tarsi into yellowish. 



•J,.— Length .10 inch. Antennfe 7-jointed, black; thorax free from pubescence; 

 abdomen small with peduncle very long, otherwise as in 9 • 



Described from one % and four 9 9 bred from cynipidous oak gall 

 6'. q. succhiipes Ashmead. 



Kiirytuina albipes n. sp. — 9- — Length .12 inch. Coal black. Head and 

 thorax, coarsely punctate and free from pubescence; eyes brown; antennfe entirely 

 black; basal margin of prsescutellum finely rugoso-])unctate; disc of scutellum 

 not so coarsely j)unctate as at sides; abdomen black, smooth and shining,' fourth, 

 fifth and sixth segments pubescent; wings hyaline, veins yellowi.sh ; legs black, 

 joints and extreme tips of tibiae yellowish, feet pure white. 



%. — Length .08 inch. Agrees with 9 excepting as follows: Eye.s are black; 

 antennae 7-jointed, nodules armed with long wliitish hairs; head and thorax 

 sparsely covered with whitish pubescence; abdomen and legs pitchy black; 

 peduncle two-thirds as long as abdomen ; feet only white. 



This easily recognized species was captured at large. 



DE€.4TOMA Spin. 

 Decatoma variant Walsh, Am. Entom. vol. ii, p. .300, fig. 2, -^ & 9 , 1809. 

 Var. diibia Walsli, loc. cit. 



Decatoma iiigrioeps Walsh, loc. cit. 

 Var. excrucians Walsh, Inc. cit. 



Decatoma liyalipennis Wal?h. loc. cit. p. .101. 

 Decatoma Jtimplicistigma Walsh, loc. cit. 

 Decatoma ntibilistigma Walsh, loc cit. 

 Decatoma flara Ashmead, Can. Ent, vol. xjii, p. 1.34. 

 Decatoma querciis Ashmead. loc. cit. p. 1.35. 

 Deca oma laiise Ashmead, loc cit. 

 Decatoma phellos Ashmead, loc cit. p. 130. 

 Decatoma fbliatse Ashmead, loc. cit. 

 Decatoam batatoides Ashmead, loc cit. 



