PAHASITIC llY.MKNOl'TKKA. 209 



A<*rol.yta al<'iiii' sp. n. 



% 9. — Length 3 mm.; ovip. O.t mm. Uluck, minutely slmtrirfncd : tnijilii 

 pale : anteniiiP and lejis, incUuliiij; coxie, Imney-yellow. the antonnie l)einf; slightly 

 dusky toward tips ; the jiosteiior face of hind tioise has a spot at base, while their 

 tips are fuscous. The two basal joints of the tlagelluin are about four limes a.s 

 long as thick, in the male cylindrical and of a uniform thickness throughout ; in 

 the female the antenna^ are slightly and gradually thickened toward tips, the two 

 basal joints of the llagelluni being about five times as long as thick. The abdo- 

 men is longer than the head and thorax united, the petiole widened posteriorly, 

 longitudinally aciculated, the second atid third segments more or less shagreened, 

 the following segments smooth and iiolishcd. Wings hyaline, iridescent, the 

 stigma and veins brown. 



Hub. -Hi. Louis, Mo.; Selina, Ala. 



Described from two specimens reared by Mr. E. A. Schwarz, in 

 Alabama, from Apaiiteles aletice Riley. 



Another form included is nuich larger, measuring 4.5 mm. in 

 length, but I can find no structural ditlei-ences. It was bred from a 

 secondary parasite on Acroiiycta, at !St. Louis, by Dr. Riley. 



Acrolyla eiiiprelije sp. n. 



9 • — Length •2..") mm. ; ovij). 0.4 mm. Black ; head smooth, polished ; mesonotuni 

 t)pa(iue, microscopically shagreened, the collar and pleura smooth, shining: meta- 

 thorax shagreened, areolated : teguhe yellow. Legs and abdomen reddish yellow, 

 the abdominal petiole piceous-black, the three apical segments dusky ; the petiole 

 a!id the second segment are finely longitudinally aciculated; the antennae are' 

 2*2-jointed, slightly and gradually thickened toward tij)s, brown, the two basjil joints 

 yellow, the three basal joints of fiagellum are long, and of nearly an equal length. 

 Wings hyaline, iridescent; stigma and veins pale brown, the discal areolet pent- 

 agonal in position, the outer nervure wanting, cubital nervure broken consider- 

 ably before the middle, the second recurrent nervure about half again as long as 

 the first. 



Hdl). — Washington, D. C. 



Described from two specimens labeled No. 295'^, reared May 14, 

 1883, from Einpret'ue dimulea. 



This pretty little species very closely resembles certain forms in 

 the genus Memchorm, and might easily be mistaken for one. 



<>TACI.ISTES Forster. 

 OtHCustO!^ orgyiie sp. n. 



9. — Length .'5 mm. ; ovip. O.fJ mm. Head and thontx brownish black : occiput, 

 face, blotch on clieeks. parapsidal lines, collar and blotch on pleura, brown ; nieta- 

 thorax black. The whole surface is shagreened ; antennse "iO-jointed, pale brown, 

 the basiil joints of the antennae very long; metathorax areolated, unarmed. 

 Wings hyaline, with two transverse dusky bands, the first narrow, extending 

 across the basal nervure, the latter being in the centre of the band, the second 

 band wide, including the stigma and marginal cell ; there is, however, a small 

 clear space beneath the apex of the stigma : hind wings hyaline. 



Hub. — St. Louis, Mo. 



Described from two 9 specitnens bred from Onjijid leucodu/ma. 



TKANS. AM. ENT. SOC. XXIII. (27) JUNE, 1896. 



