464 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. 55. 



Propodeum with narrow, deep, margined, median, longitudinal 

 groove, which contains numerous cross rugae; propodeum very 

 rugose laterad of groove. 



Abdomen equal to head and thorax combined; segment 2 about 

 one-fifth to one-fourth length of abdomen exclusive of 1 ; 3 shortest, 

 5 longest ; 6 longer than either 4 or 7. 



Legs: Basal half of upper and lower faces of middle and front, 

 basal two-thirds of hind femora dusky to fuscous ; front tibiae, and 

 often portions of femora, and knees testaceous; middle and hind 

 tibiae dusky to fuscous. 



Antennae: First funicle plus ring- joint about equal to pedicel in 

 length; none of funicle or club joints quadrate. Club about the 

 same width as the three preceding joints. Scape black. 



Species about medium in size. 



Male (pi. 46, fig. 6). — Length, 2.25 mm. Praescutum as in female. 

 Pronotal spots occupying one-third or less of anterior dorsal margin 

 of prothorax, usually obscure or dull. 



Propodeal groove narrow and deep throughout with marginal 

 carinae and with several cross rugae within groove. Propodeum 

 rugose to granulose laterad of groove. 



Petiole equal in length to hind coxae and granulose. 



Legs: Hind femora black; front and middle femora dusky in basal 

 half ; hind and middle tibiae dusky to black ; front tibiae and Imees 

 testaceous. 



Antennae: Flagellum with pedicel equal to or slightly shorter 

 than head and thorax combined. Scape approximately same width 

 throughout, with only a slight shoulder near the distal extremity; 

 about four times as long as broad, exclusive of base. 



Type-locality. — Husted, Colorado. 



Type.— Cut No. 21767, U.S.N.M. 



Described from 4 females and 16 males that were reared from galls 

 in Poa luckla. The stems bearing these galls were collected near 

 Husted, Colorado, by Dr. A. D. Hopkins. 



HARMOLITA ELYMIVORA, new species. 



Plate 40, fig. 2; plate 44, fig. 3; plate 45, fig. 13; plate 47, fig. 9. 



Female. — Length 3.4 mm. Praescutum rugulose. Pronotal spots 

 large, occupying about two-thirds anterior dorsal margin of pro- 

 thorax. 



Propodeum with a continuous, narrow, deep, margined, median, 

 longitudinal groove, marginal carinae irregular and often broken; 

 propodeum rugose within and laterad of groove. 



Abdomen longer than head and thorax combined ; vertical diameter 

 <»f sixth segment only slightly less than its greatest vertical diameter ; 

 second abdominal segment from one-sixth to one-fifth length of the 



