216 WILLIAM H. ASHMEAD. 



'J,.— Length 1.4 luiu. Black ; the aiitenntp toward base, the collar, the lower 

 part of mesopleura, a spot at base of second abdoiiiiual segment and the legs, 

 honey-yellow; sometimes the metathorax and two basal segments of abdomen 

 are also honey-yellow. 



Hah. — Morgantown, AV. Va. 



Described from one 9 and two % .specimens bred by Prof. A. D. 

 Hopkins, from Hypothetiemus sp. living in walnut. 



Ecphyliis nigricei><« sp. n. 



9. — Length 1..") mm. ; ovipositor half the length of abdomen. Brownish yel- 

 low, with the head black ; antennse, except the apical half, and the legs honey- 

 yellow. Head, mesonotum and scntellum smooth, shining; metanotum finely 

 shagreened. without a carina ; first abdominal segment striated. 



Hab. — Morgantown, W. Va. 



Described from one 9 specimen, received from Prof. A. D. Hop- 

 kins, labeled No. 5963. 



Distinguished at once from the other species by the color, short- 

 ness of ovipositor and non-carinated metathorax. 



Subfamily Euphorin^. 



COSIfIOI»IIORlIS aitzeburg. 

 Cosuioplioriii»> hopkiiisii sp. u. 



"J, .—Length 2 mm. Polished black; mandibles, except tips, rufo-piceous ; 

 palpi yellowish ; antennae, except apical half, which is dusky and legs, reddish 

 yellow. Head very large, quadrate, the cheeks subconvex, brown, the occiput 

 distinctly margined, the frons with a delicate central carina; the face below an- 

 tennae short, delicately wrinkled, although shining: eyes rather small, rounded, 

 convex ; ocelli small, close together in a triangle ; antennae 15-jointed. on a frontal 

 prominence, the prominence with a small horn-like process within, at the base 

 of each antenna; the .scape is short, stout, as wide as long; the pedicel also stout, 

 but twice as long as thick ; flagellum slender, the joints after the third, subequal ; 

 the first and second the longest, about equal. Thorax smooth, without parajjsidal 

 •furrows; scutellum foveate at base; mesopleura and metathorax rugulose, the 

 latter more or less piceous, the former with an imjjression across the disc. Wings 

 hyaline, iridescent, the large stigma and the apical part of the costa dark brown ; 

 first cubital and first discoidal cells confluent; the second discoidal cell entirely 

 wanting; radial cell closed, reachiTig nearly to the apex of the wing. Abdomen 

 ovate, petiolate, iwlished. except the petiole, which is twice as long as thick and 

 finely longitudinally striated. 



Hub. — Morgantown, W. Va. 



Described from several specimens, bred by Prof. A. D. Hopkins, 

 from Polygraphus rufipennis. 



Since the above was drawn up the 9 has also been bred by Prof 

 Hopkins. It agrees well with the h , except the antenme are 17- 

 jointed, while the pro- and metathorax are rufo-piceous. It averages 

 2.5 mm. in lentfth. 



