126 



MA^'DIBULATA. — HYMENOFTERA. 



Abdominis segmcntis intermediis oblique bi 

 lineatis : 

 Thorace transversitn ruguloso : . . . 



Abdomine convexo, opaco, scabro : . . . 



depresso, segmento 1-mo jequilato piano. 

 Antennis medio incrassatis : ... 



simplicibus. 

 Pedibus crassiusculis : 

 subgracilibus : 

 Capite globoso, aut subgloboso. 



Celluld triangulari : .... 



nulla aut 5-angulari. 

 Femoribzos simplicibus. 



Ce/^M'a pentagona : 



nulla, facie 4-ata : 



versus os angustata 

 posticis crassis, dentatis : 

 Abdomen convexum, aut depressum, sessile. 

 Abdomine convexn, nitido : 



Scutello transverso, 4-angulari : . . 



3-angulari, aut orbiculari. 

 Thorace Isevi, abdominis segmentis laevibus : 

 Antennis crenulatis : . . . 



haud crenulatis : 

 Thorace IsBvi, abdominis segmentis incisis aut tuberculatis. 

 Celluld distincta, 



angusta, sublanceolata. 

 Areola interiore nervo uno recurrente. 

 Abdomine subcompresso. 



Celluld S-angulari aut nulla : 

 5-angulari : . 

 perfecte compresso. 

 Celluld 3-angulari {abd'^. segmento 1-mo conico) 

 nulla: .... 

 Areola interiore nervis 2-bu3 recurrentibus. 

 TAorace Iffivi: 

 Areold submarginali 1-ma simplice : . . 82. Ophion. 



maculata : . .83. Enicospilus. 



CI. Glypta. 

 C9. Rhyssa. 

 70. Traciiyderma. 



74. EucEROS. 



73. Orthocentrus 

 72. Basstjs. 



49. Alomya. 



92. echtiirus. 



89. Xylonomus. 



90. XORIDES. 



91. Odontomerus. 



71. Peltastes. 



63. Lampronota= 

 62. Stilbonota. 



79. Campoplex. 

 87. Atractodes. 



80. Paniscus. 

 85. Cremastus. 



Genus XXXIX.— ICHNEUMON, Auctorum. 



Antennas moderate, more slender and generally more porrected in the males than 

 in the females, in which sex they are frequently involuted at the apex, and 

 sometimes faintly dilated in the middle: Aeac? transverse, rather narrower 

 than the thorax : e^es prominent : thorax rather gibbous : scutellum flat, 

 triangular, with the apex obtuse or truncate, or somewhat quadrate : 

 abdomen oblong or subovate, with its basal segment more or less gibbose. 



