NO.120G. ICHNEUMON FLIES— ASHMEAD. 49 



areolet large, pentagonal, the third discoidal cell longer thaii the second; 

 transverse median nervure in hind wings broken at the middle; first 

 abdonunul segment very long and slender, not at all or only sligiitly widened 

 at apex, the spiracles at or very near tlie middle (305) Grolea Cresson. 



Tribe III. LISSONOTINI. 



1868. LissonotunUv, Family Ki, Fokstei!, Vcrh. d. natiirh. Vcr. pr. Rheinl., XXV, 



pp. 142 and 166. 

 1894. Lissonoihii, Tribe li, Asmmeao, I'roc. Ent. Scjc.Wash., Ill, p. 278. 

 1900. Lissonoiini, Tribe III, Ashmead, Smith's Insects of New Jersey, j). o71. 



This tribe is distinguished from the two aforeuieutioned })y the 

 shape of the abdomen, which is depressed, not compressed at apex, 

 and without a prominent iiypopygium; by the longer antenna?; and by 

 coxal and venational characters. 



It approaches nearest to the tribe Phivpllnl^ but in that tribe the 

 abdomen, although sometimes smooth, is usuall}^ strongly punctured, 

 and has always more or less distinct transverse or obliijue impres- 

 sions, or latei'al imjjressed lines on segmeiits '2-5. In the Lissonotini., 

 on the contrary, the abdomen is smooth, or at the most alutaceous or 

 shagreened, but never strongly punctate, always vjlt/iout transverse 

 or o))lique impressions, and never tvit/i lateral Invpressed lines on seg- 

 ments '2-5. 



The 31 genera falling in this group may be separated as follows: 



TABLE OF (iENEKA. 



Metathorax not areolated, at the most with a transverse apical carina, or with two 

 median longitudinal carinje 3 



Metathorax more or less indistinctly areolated. 



Front wings willi an areolet 2 



Front wings without an areolet. 



Abdomen sessile, with the first three segments rugulose, the ovipositor 

 short; clypeus large, swollen at base; flagellar joints of male antennae 

 normal, not eroded; eyes hairy. 



(306) Ilyhopkanes Forster^= CEdemupsi.'i Tscliek. 



2. Areolet oblique, elongate, vsubtrapezoidal. ..(307) Pseudacoeniles Kriechbaumer. 



3. Abdomen sessile, never petiolate 4 



Abdomen petiolate, head transverse; metathorax exareolate, witJiout a transverse 



apical carina. 



Abdomen elongate, subfusiform, as seen from the side toward apex, clavate; 

 marginal cell in front wings large, oblong; the areolet small, sub- 

 triangular and subpetiolate; legs elongate, slender. 



(308) Atropha Kriechbaumer. 



Abdomen toward base fiat, rugose, the first segment flask-shaped, distinctly 

 and longly petiolate; marginal cell in front wings not large, the areo- 

 let longly petiolate, the outer nervure faint or subobsolete; legs nor- 

 mal; antennje not tapering toward apex, the last joint nearly as 

 long as the three preceding joints united; ovipositor nearly as long 

 as the abdomen. 



(309) laschcnhcrcjid Schmiedekneclit. 



Proc. N. M. vol. xxiii 4 



