Phygadeuonl\ 



BRITISH ICHNEUMONS. 



73 



(12). 



(20). 



(19). 18. 



(18 

 (17 



(24 



19- 

 20. 



Abdomen normal ; apophyses dis- 

 tinct, thougli small ; femora en- 

 tirely red. 



Mesonotum shining, sparsely punc- 

 tate ; terebra elongate 4. SPECULATOR, Grav. 



Mesonotum dull, closely punctate ; 



terebra short 5. SODALIS, Tasc/i. 



Abdomen linear ; apophyses wanting ; 



hind femora partly black 6. PROCERUS, Grav. 



Nervellus opposite ; 9 brachypterous. 



Head not posteriorly narrowed and 



$ thorax black 7. Heinemanni, Forst. 



Head posteriorly narrowed and 9 



thorax red 8. Gravenhorsti, /^/r.f/'. 



Apex of clypeus with two central 

 teeth, distinct in (^, in 9 often 

 granuliform. 



Flagellum slender and filiform in 

 both sexes ; frons very closely 

 punctate. 



Frons distinctly punctate ; coxae 



black 9. VAGANS, Grav. 



Frons obsoletely punctate ; coxae red 10. rusticellae, ^r/V/^. 



Flagellum stout, of ^ setaceous ; 

 frons not or sparsely punctate. 



Second segment aciculate through- 

 out ; basal flagellar joint shorter 

 than the third. 



Apical segments glabrous and niti- 



dulous ; areola entire 11. RUGULOSUS, Cn^■^/. 



Abdomen aciculate throughout ; 



areola obsolete 12. SCOTICUS, Marsh. 



Second segment not aciculate ; first 

 flagellar joint longer than third. 



Clypeal teeth granuliform ; cheeks 

 longer than mandibles ; vertex 

 narrow. 



Stigma broadly white basally ; $ an- 

 tennae tricoloured; $ scape red... 13. LEUCOSTIGMUS, Grav. 



Stigma not basally white, nor $ an- 

 tennae tricoloured ; $ scape partly 

 black. 



Apophyses acute ; petiolar area not 



discreted 14. NANUS, Grav. 



Apophyses wanting ; petiolar area 



discreted 15. hrachyuru.s, Thoins. 



Clypeal teeth large ; cheeks not longer 

 than mandibles ; vertex broad. 



Frons strongly punctate ; abdomen 

 deplanate. 



Post-petiole sub-rugose ; areola not 



entire 16. CEPHALOTE.s, Grav. 



Post-petiole not rugose ; areola entire 17. flavimanus, 6';-a7/. 



Frons not or finely punctate ; abdo- 

 men convex. 



Petiolar area not discreted ; wings 

 clouded beneath stigma. 



Head and thorax not coarsely punc- 

 tate ; petiolar area entire. 



