BRITISH ICHNEUMONS. l6g 



the eyes, the vertex somewhat emarginate, the cheeks longer, and the 

 temples more strongly pilose than in the Oxypygini ; their genital valvulae, 

 moreover, are usually larger, more strongly exserted, and, in such as 

 possess it, the mucronation of the hypopygium at once proclaims their 

 adhesion to Avibly teles {se/isu A\'esm.), of which the following diagnosis 

 embraces the three subsequent genera : — • 



Head not very large ; clypeus apically truncate, generally obsoletely 

 punctate ; labrum very often shortly exserted ; mandibles with unequal 

 teeth, of which the lower is occasionally sub-obsolete and, in a few in- 

 stances, entirely wanting. Antennae strongly attenuate in both sexes ; 

 not centrally dilated. Thorax usually stout ; metathorax of normal length, 

 often more or less strongly bidentate ; pronotum with no central tubercle ; 

 spiracles linear or oval. Scutellum not strongly convex, sub-triangular. 

 Abdomen convex, not compressed, elongate-fusiform, rarely sub-linear, 

 and always more or less apically obtuse ; post-petiole usually abruptly con- 

 stricted at its apical third ; second segment narrower at base than apex ; 

 the last ventral segment somewhat longer than the penultimate and reach- 

 ing the apex of the seventh dorsal in the typical form, or only attaining 

 the apex of the sixth dorsal in the transitional form, i.e., that most closely 

 allied to Ichneumon, Wesm. ; the third, fourth, or fifth and sometimes all 

 the ventral segments of the $ not plicate, the hypopygium occasionally 

 acuminately produced in the centre ; terebra not exserted. Legs normal ; 

 coxae never scopuliferous ; hind tarsi setiferous beneath, onyches simple. 

 Wings with the areolet rarely coalesced above. 



About 126 species are included in this super-genus in the European 

 fauna. 



Table of Species. 



(2). I . Body blue-black ; . . i . CAERULEATOR, Zcft. 



(i). 2. Body not blue-black. 

 (6). 3. Metathoracic apophyses distinct. 

 (5). 4. Antennae white-banded, not red- 

 marked 2. SPUTATOR, ivfi^. 



(4). 5. Antennae not white-banded, red- 

 marked 3. HOMOCERUS, Wesm. 



(3). 6. Metathoracic apophyses wanting or 

 tuberculiform. 

 (12). 7. Antennae not white-banded ; basal 



flagellar joints of $ cylindrical. 

 (11). 8. Ventral segments two and three 



plicate. 

 (10). g. Thorax strongly sculptured ; head 



entirely black 4. CASTIGATOR, iv?(^. 



(9). 10. Thorax finely sculptured ; head 



partly pale 5. plicatus, i1/(?r/. 



(8). II. No ventral segment plicate 6. Panzeri, IVesm.,^. 



(7). 12. Antennae of 9 white-banded ; basal 

 joints of ^ sub-serrate. 

 (16). 13. No ventral segment plicate. 



(15). 14. Abdomen centrally red 6. Fat^ZERI, IVesm., ,^ . 



(14). 15. Abdomen centrally black 7. yvnkrevs, Fourc. 



(13). 16. \'entral segments two and three 



plicate. 

 (22). 17. Front legs not flavous-markcd. 

 (21). 18. Scutellum white. 



