SUB-FAMILY FLGITINA. 157 



1. Radial cellule elongate as a rule, the areolet placed opposite 



to, or at least not much beyond, the base of the radial 

 cellule ; cubitus issuing from the middle of the transverse 

 basal. The three cubital cellules usually complete. Hind 

 tibia3 with two spurs. Body with some sculpture, seldom 

 entirely impunctate ; scutellum alutaceous, punctured or 

 rugose. Second abdominal segment generally considerably 

 longer than any of the others ; usually one half the length 

 of abdomen. Tenter not hid by the overlapping dorsal 

 segments, but exposed for half or its entire length. Ovi- 

 positor spiral or semi-spiral. Hypopygium acute or ending 

 in a projecting hairy point. Gallicolous. Cynipina. 



2. Radial cellule broad, the areolet not situated opposite its 



base ; the first and second cubital cellules never complete, 

 the cubitus issuing (when indicated) from near the middle 

 of the transverse basalnervure ; scutellum generally without 

 a fovea at the base. Abdomen short, ovate, not compressed 

 laterally, obliquely truncated, with the second segment the 

 longest. Body impunctate (including scutellum). Hind 

 tibiae with one spur. Antenna3 longish, sometimes filiform. 

 Areolet situated a short distance in front of the base of 

 radial cellule. Radial cellule variable, frequently elongate. 



Allotrina. 



3. Scutellum rugose or punctured, raised, with a more or less 



deep cup-like depression on the top, the cup usually with a 

 a clearly defined margin, sometimes projecting, foveate at 

 base. Radial cellule wide, the areolet at the middle, never 

 opposite the base. The first and second cubital cellules 

 (sometimes also the third) incomplete. Cubitus issuing 

 from below the middle of the cellule. Second segment longer 

 than any of the others, usually half the length of abdomen, 

 and in most cases with a dense hair fringe at the base. 



Eucoelina. 



4. Scutellum punctured, rugose, or alutaceous, sometimes chan- 



nelled or spined, foveate at base, but never with a cup-like 

 margined depression. Second abdominal segment not half 

 the length of the abdomen. Radial cellule short, broad, 

 triangular, the areolet near the middle. Cubitus when 

 present issuing from below the middle. Cubital cellules 

 generally all incomplete. Abdomen elongate, often com- 

 pressed, acute at apex. Figitina. 



Sub-family FIGUTINA. 



The chief characteristics of this sub-family have 

 been already given above. Structurally the species 

 show much greater variety (especially in the form of 

 the head, thorax, and abdomen) than do either the 

 Eucoelina or Allotrina ; but they do not appear to be 

 quite so numerous in species. 



