Pezomachus.\ 



BRITISH ICHNEUMONS. 



183 



Mesonotum black. 



I'ost-peliole paiallel-sidcd ... 41. .SUHTILIS, Forst. 



Tost-petiolc cxplanatc yj. AGELETES, Fbrst. 



Abdomen ditriisely punctate. 

 Mesonotum red. 



Hind femora piceous 13. KWDM?,, Forst. 



Hind femora red 27. TONSUS. 



Mesonotum black. 



Metathoracic costa normal 49. elaphrus, Forst. 



Metathoracic costa centrally de- 



j)lanate 58. INDAGATOR, Forst. 



Abdomen not broadly pale centrally. 

 Metathoracic costa wanting; body 

 linear. 



Tarsi piceous 16. 1,1 NEAR is, Forst. 



Tarsi red 29. GONATOPINUS. 



Metathoracic costa distinct ; body 

 fusiform. 



Abdomen glabrous 18. SPINULUS. 



Abdomen sparsely punctate 28. PUMILUS. 



Abdomen closely punctate. 



Petiole and legs stout 20. MICRURUS. 



Petiole and legs slender 56. ANGUINUS, /^brj/. 



Brachypterous. 



Abdomen entirely black 15. OCISSIMUS, /^t^'rj/. 



Abdomen centrally pale. 



Antennae red 38. AGILIS. 



Antennae black 54. palpator. 



Macropterous. 

 Abdomen not broadly pale centrally. 



Nervellus obsolete 30. anthracinus. 



Nervellus post-furcal 42. PICEUS, Bridg. 



Nervellus opposite 25. ANALIS. 



Nervellus antefurcal. 

 Stigma broad. 



Second segment black 3. KlESENWETTERl. 



Second segment pale-marked 17. NIGRITUS. 



Stigma not broad. 



Antennae slender ; areola distinct 47. RUFOCINCTUS, Ratz. 

 Antennae stout ; areola indistinct. 



Abdomen rugosely punctate ... 7. MELANOPHORUS, Forst. 



Abdomen evenly punctate i. SYLVlCOLA. 



Abdomen broadly pale centrally. 

 Nervellus opposite. 



Stigma broad 49. VARIABILIS, Ratz. 



Stigma not broad. 



Pronotum and petiole black. 



Mesonotum foveate 31. vaGANS. 



Mesonotum entire 53. LUTEIVENTRIS, Grav. 



Pronotum and petiole testaceous. 



Second segment elongate 14. mandibularis. 



Secondsegment of normallength 41. annulicornis, Bridg. 

 Nervellus antefurcal. 



Wings short ; basal nervure sub- 



vertical 2. AQUISGRANENSIS. 



Wings normal ; basal nervure oblique. 

 Prothorax red. 



Areola entire 4. ZONATU.S. 



Areola laterally wanting 8. RUFIPES, Bridi^. (ncc Forst.). 



