1 84 



BRITISH ICHNEUMONS. [Fezomachus. 



Prnthorax l)lack. 



Hind tibiae mainly black 39. PUMCARIUS. 



Hind tibiae red. 

 Hind coxae red. 



Wings distinctly bifasciatcd 51. rKDICULARIUS. 

 Winj^s not bifasciated. 



Notauli wanting 22. CONFUSUS, Bridg. 



Notauli distinct. 



Notauli reaching scu- 



tellum 21. OVATUS, Bridg. 



Notauli only reaching 



centre 57. hyponomeutae, Bridg. 



Hind coxae black. 



P^nestra broadly discreted 52. COME.S. 

 Fenestra not broadly dis- 

 creted. 



Notauli wanting 54. palpator. 



Notauli not entirely 

 wanting. 



Areola distinct 33. IMPOTENS. 



Areola not distinct. 

 Second segment dis- 



cally black 39. PULICARIUS. 



Second segment en- 

 tirely red 5. VULPINUS. 



I. sylvicola, Forsf. 



Pezomadiits sylvicola, Forst. Wiegm. Arch. 1850, p, 134, ?; Thorns. O. E. x. 1000, 

 <J ? ; r/: Bridg. Trans. Ent Soc. 1887, p. 365. 



$ . Head strongly and closely punctate, dull and reticulate ; oral costa 

 not elevated ; clypeus with deep basal foveae and shallow oblique lateral 

 impressions, its apex centrally immarginate ; cheeks much longer than 

 basal width of mandibles, their sulcus wanting ; red, with the broad vertex 

 piceous, or mainly dark. Antennae stout, apically attenuate with the 

 scape sub-cylindrical and apically hardly emarginate ; basal flagellar joint 

 shorter than the second and scarcely longer than the scape, the fifth 

 quadrate ; red, apically infuscate. Thorax rufo-testaceous, strongly and 

 closely punctate and pubescent, dull ; mesonotum not transverse, with 

 distinct notauli, and as long as the metanotum ; petiolar area centrally 

 deeply impressed, its basal costa centrally wanting and laterally obsolete 

 with small apophyses ; pleurae striate. Scutellum wanting. Abdomen 

 convex and not broad, with the basal three or four segments closely and 

 distinctly punctate and nitidulous, the remainder densely reticulate and 

 pubescent ; incisures not deeply impressed ; two basal segments large ; 

 petiole somewhat elongate, post-petiole not transverse and more strongly 

 punctate with its apex not broad ; spiracles of first segment small, of the 

 second far from the margins ; red, with a central black transverse band 

 on the second and sometimes third segment, the remainder black, often 

 with the fourth basally ferrugineous ; terebra varies in length from half, to 

 nearly as long as, the basal segment. Legs stout, red ; the front tibiae 

 inflated, their calcaria long and stout ; hind tibiae apically infuscate. 



$ . Winged. Head black with the oral costa elevated. Antennae 

 black, short, stout and apically attenuate ; basal flagellar joint half as long 

 again as the scape. Thorax black ; metathorax distinctly, and sometimes 



