MOXOGRAPII OF THE NOKTIf AMEIJICAN PKOfTOTHYIMI) V,. 173 



I)t^s«'rilM'(l fnuii :i siii)r|r sp<'riin4>n. 



In color, si/,«', width of he.ul, iion-iMibt'sccnt ryes, hihI tin' relative 

 kMi;;tli of tlu^ iiiitcnnal joints, tliis species is very distinct from any 

 other spei'ies in our fauna. 



Acoloides subapterus, s|>. nov. 



9. Lenjith. 0..S""". Mead and thorav bhiek, minutely |MinetuUite; 

 abionu'u fusj-ous or dark brown, the petiole yellow; antenna- an«l leji's 

 brownish-yellow, the elub fuscous. 



Antenme 7-jointed; the clul> larj^e, inarti<ulate, as lonji as the jiedi- 

 eel and funicle united; pedicel stout, 2A tinu^s as long as thick, fuscous 

 above; tirst funiclar joint very little lonjjer than thick: secoml and 

 tbllowinji- joints scarcely as huig as thick. Thorax with slight indica- 

 tion of parapsidal furrows post«'riorly in the form of two very short 

 grooved lines. Wings present in the form of wing pads which do not 

 extend beyond the tii) of the short metath<»rax. 



Abdomen oblong-oval, much longer than tlu' head and thorax to- 

 gether, shining, sericeous; the petiole yellow and separated from the 

 second segment by a constriction; tin* [»etioIe and second segment are 

 of an e(iual length, but the latter is fully twice as wide as the former; 

 third segment nearly thrice as long as the second. 



IlAHiTAT. — Ottawa, (Canada. 



Tyi)e 9 in Coll. Ashmead. 



Described from a single vsp<'cinuMi received from Mr. W. II. llarring. 



t(Ml. 



Acoloides seminiger, .s]i. nov. 



9 . Length, O.S""". Head and thorax black, closely finely punctate, 

 with a sparse, sericeous pubescence; abdomen and legs, brownish yel- 

 low, pubescent. 



Antenna? 7-jointed, yellowish, the club very large, inarticulate, fus- 

 cous, i>edicel stout, very little more than twice as long as thick; tirst 

 funiclar joint scarcely longer than thick; second and third, not longer 

 than thick; fourth, transverse. Thorax with slight indications of 

 grooves posteriorly. Metathoi:ax with subacute angles. Abd<mien 

 oblong-oval, a little longer than the head and thorax together, the 

 second segment slightly longer than the petiole, the suture between, 

 striate, the thirdmsegment 2i times as long as the second. 



Habitat. — Ottawa, Canada. 



Types in Coll. Ashmead. 



Described from two specimens received from W. Hague Harrington. 

 Th' i species comes very close to A. snhapterun, but the abdouuMi is yel 

 low, the relative length of the segments is different, and there are no 

 wing )»ads. 



