MONOGRAPH OF THE NORTH AMEKICAN PKOCTOTKYPnj E. 173 



Described IVoiii a single s[)ecimen. 



In eolor, size, width of liead, n(»n-|»ubeseeiit eyes, and the relative 

 length of the antenual Joints, this species is very distinct from any 

 other species in our fauna. 



Acoloides subapteiiis, sp. nov. 



9. Length, 0.8""". Head and thorax black, minutely i»unctulate; 

 abiomen fusc<^>us or dark brown, the petiole yellow; antennte and legs 

 brownish-yellow, the club fuscous. 



Antenna^ 7-jointed; the club large, inarticulate, as long as the pedi- 

 cel and fuuiclc united; pedicel stout, 2^ times as loug as thick, fuscous 

 above; first funiclar Joint very little longer than thick; second and 

 following Joints scarcely as loug as thick. Thorax with slight indica- 

 tion of i^arapsidal furrows posteriorly in the form of two very short 

 grooved lines. Wings preseut in the form of wing i)ads which do not 

 extend beyond the tip of the short metathorax. 



Abdomen oblong-oval, uiucli longer thau the head and thorax to- 

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

 second segment by a constriction; the petiole and second segment are 

 of an equal length, but the latter is fully twice as Avide as the former; 

 third segment uearly thrice as long as the secoud. 



Habitat. — Ottawa, Canada. 



Type 9 in Coll. Ashmead. 



Described from a single specimen received from Mr. W. H. Harring- 

 ton. 



Acoloides seminiger, .sj). ll()^ . 



9 . Length, O.S"'"\ Head smtl thorax black, closely finely punctate, 

 with a sparse, sericeous i)ubescence; ab'domen and legs, brownish yel- 

 low, pubescent. 



AntennsB 7-jointed, yellowish, the club very large, inarticulate, fus- 

 cous, pedicel stout, very little more than twice as long as thick; first 

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

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

 grooves posteriorly. Metathorax with subacute angles. Abdomen 

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

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

 striate, tbe third«segment 2i times as long as the second. 



Habitat. — Ottawa, Canada. 



Types in Coll. Ashmead. 



Described from two specimens received from W. Hague Harrington. 

 This species comes very close to A. suhapterus, bnt the abdomen is yel- 

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

 wing pads. 



