Glypta.] 



BRITISH ICHNEUMONS. 



143 



Table of Species. 



Frons distinctly horned. 



B'rons with two horns (DlHl.ASTO- 

 MORPHA, Forst.) . . 



Frons with only one horn (CONO- 

 BLASTA, Forst.). 



Head laterally parallel ; basal seg- 

 ment distinctly bicarinate 



Head posteriorly constricted ; basal 

 segrnent indistinctly bicarinate. 



Tarsal claws mutic 



Tarsal claws distinctly, though often 

 sparsely, pectinate. 



Metanotal carinae obsolete . . 



Metanotal carinae distinct and entire. 



Frons smooth and nitidulous, with 

 normal horn 



Frons distinctly punctate, with a 

 minute horn 



Frons with no horn (Glypta, S.S.). 



Thorax and scutellum black, with at 

 most radical callosities pale. 



Cheeks half as long again as basal 

 width of mandibles 



Cheeks not longer than basal width 

 of mandibles. 



Clypeus clothed with long and dense 

 pubescence. 



Central segments not broader than 

 long. 



Metathoracic areae obsolete . . 



Metathoracic areae distinct and en- 

 tire . . 



Central segments broader than long. 



Metathoracic areae obsolete and in- 

 complete. 



Dull ; co.xae black 



Nitidulous ; coxae red 



Metathoracic areae complete and 

 usually strong. 



Epistoma tuberculiform ; clypeus red 



Epistoma normally convex ; clypeus 

 often fiavescent. 



Fourth and fifth hind tarsal joints of 

 equal length 



Fourth hind tarsal joint much shorter 

 than fifth 



Clypeus not clothed with dense pubes- 

 cence. 



Fifth hind tarsal joint not longer than 

 fourth. 



Metanotal carinae obsolete ; front 

 coxae white ; size small . . 



Metanotal carinae distinct ; coxae 



not white ; size normal. 

 Frons impressed ; central segments 

 transverse 



1. HICORNIS, Bote. 



2. ELONGATA, Holmgr. 



3. :monocerus, Grav. 



4. FRONTicoRNis, Grav. 



5. CERATITES, Grav. 



6. PARVICORNUTA, Bridg. 



7. GENALIS, AIoll. 



RUHICUNDA, Bridg. 

 EEAIORATOR, DeSV. 



HAESiTATOR, Grav. 



TROCHANTERATA, Bfid. 



12. vuLNERATOR, Grav. 



13. SI MILLS, Bridg. 



14. Kll.lcORNi.s, Thorns. 



15. TEN'UICORNIS, Thoms. 



16. RESINANAE, Htg. 



