172 Iiri.LKTIN 15, I'NITKI) STATKS NATIONAL Ml'-SErM. 



ii)iiriil iiiiir^'iiiN "f lliiid. ;iinl (lir I'ollowiny sf;;un'iith. tiiHi (iiiH or liliti'k. H»'ii(l very 

 wide, im>rt' than lliitc tiiiii« as vviilf a« tliick aiitcrd-poHiorioily ; eyrs lar;;«\ riiiiii<li>(l, 

 whitisli (after deatli) aii<l piilx'scoiit ; niaiKliblcs pale riitoim, tlie tipn Mack. Aii- 

 teiinal ilub laijjc, fiiHiforiii, as loiifi as the pedicel and t'nnielu iiuite«l; tirdt fnniclu 

 Joint less than half the len^^th of the pedicel, the other Joints tiansverse. Thorax 

 convex, with two punctate linos in front of the s< iitellnni. the latter seuiiciniilar, 

 coir ex; nietauotnm very short, striated, hounded hy a carina posteriorly, the angles 

 produced into a minute tooth. Wiuf^ssubhyaliin-. pnhescent, exteudiny beyond tip of 

 abdomen, tin- venation dark brown, the njarjjinal vein short, stout, very little lon^^er 

 than thick, the stigmal ion^, slender, endiu^ in a snniU knob. Abdonu-n oblong- 

 oval, one-third longer than the head ami thorax together, nii(ro8c«>iii«ally sculptured, 

 but lustrous, the first and second seguieuta about equal iu It'Ugtli, atriutcU. ( Howard.) 



Habitat. — Massjwhusetts. * 



Type in National Museum. 



Desorib«'d IVoiii seven 9 specimens, feared by Mr, .1. II. Emerton, 

 from a s])ider's eoeoon. 



Acoloides bicolor, sp. nov. 



9 . Len<?th, 0.8"'"'. Black, shining, sparsely, faintly microseopieally 

 punctate and j)ubescent; the abdomen, antennse, and legs, yellow, the 

 third abdominal segment across the base, two apical segments and the 

 femora slightly fuscous or brownish ; eyes large, rounded, whitish. An- 

 tennte 7-jointed, very short ; the club large, conic ovate, as long as the 

 pedicel and ftinicle together; the tirst fuiiiclar joint not longer than 

 thick, about one-Hmrth the length of the petlicel, the three following 

 joints minute, transverse. Wings hyaline, with a faint yellowish tinge, 

 the nervures dark brown, the stigmal vein thickened at base. Abdo- 

 men lotund, the petiole short, striated, rest ot the segments smooth, 

 shining. 



Habitat. — Ottawa, Canada. 



Type in Coll. Ashmead. 



Described from two s])ecimens received from Mr. W. Hague Har- 

 rington. This si>ecies is much smaller than the others, the surface 

 smoother, less distinctly i>unctate, and the abdomen more rotund; 

 while the color of the eyes and abdomen, and the shortness and relative 

 length of the joints of the antenme, render it easy of recognition. 



Acoloides melleus, sp. nov. 



9 . Length, 1.4'"'". LTniformly honey-yellow, the eyes and ocelli 

 brown, the wings subfuliginous. The head is very large and wide, the 

 lower part of face being hmgitudinally striated. Antenna) short, 7- 

 joiuted, the club large fusiform, inarticulated ; the first funiclar joint 

 is twice as long as thick and fully half as long as the pedicel; the 

 second and third are as long as wide; the fourth, transverse. 



Abdomen oval, the first segment and the second, at the suture, 

 striated, the following segments feebly, microscopically punctate. 



Habitat. — Arlington, Va. . . , „i , p I 



Tjiie in Coll. Ashmead. 



