ICHNEUMONID.E. ICHNEUMON. 193 



next redj 5th also red, with the edge, and occasionally the sides, or the disc, 

 black ; 6th generally black, with the margins red, 7th black ; legs with the 

 coxae black, anterior sometimes with a yellow spot in the male, trochanters 

 the same ; femora red or ferruginous, more or less black towards the base, 

 4 anterior yellowish beneath in the male ; tibiae red, posterior black at the 

 apex, and sometimes the middle in the females, 4 anterior yellow beneath in 

 the males; tarsi red, posterior black. 

 Not common : found in June within the metropolitan district. 



Sp. 178. arridens. Niger, abdomine rufo, basi nigra, pcdibus rufis, coxis ante- 

 rioribusjiavis posticis supra nigris, facie lineaque ante alas Jlavis. (Long. corp. 

 2J Ih). ; Exp. Alar. 4| lin.) 



Ic. arridens. Gravenhorst, i. 501. — Steph. Nomen. 2c? edit. col. 136. 



Black: face and mouth pale yellow; antennae with the basal joint yellow 

 beneath, remainder dull ferruginous; thorax with a line before and dot 

 below the wings ; metathorax roughish ; scutellum yellow ; abdomen with the 

 basal segment black, 2nd black, with the margin red, 3rd red, with a dusky 

 spot on the back, remainder red, with the terminal one dusky; legs pale 

 red, 4 anterior with the coxae and trochanters pale yellow, posterior coxae 

 black above, tarsi brownish. 

 Scarce : taken near London in July. 



Sp. 179. tricingulatus. Niger, segmentis 1-3 castaneo marginutis, femoribus 

 tibiisque rufis, posticis apice nigris, lineola infra alasfacieque albis, hoc puncio 

 centrali nigro. (Long. corp. 3 lin. ; Exp. Alar. 5\ lin.) 



Ic. tricingulatus. Gravenhorst, i. 605.— Steph. Nomen. 2d edit. col. 136. 



Black : mouth, face, and part of the outer orbits pale yellow, the face with a 

 black dot ; antennae porrect, the basal joint pale yellow beneath ; thorax 

 with a white line below the wings ; scutellum also white ; abdomen lance- 

 olate, black, with the margin of the 3 basal segments more or less, and the 

 base of the 2nd, chestnut or reddish ; legs red, coxae and trochanters black, 

 4 anterior with a white dot beneath ; apex of the posterior femora and tibiae, 

 and the tarsi above dusky or black. 

 Found near London, in June. 



Sp. 180. albiclnctus. Niger, abdomine rufo, segmento I nigro, femoribus rufis, 

 posticis geniculo nigro, tibiis anterioribus rufis, posticis nigris annulo albo: 

 mas facie linedque ante alas albis; foemina annulo antennarum albo. (Long, 

 corp. 2i— 3|lin.; Exp. Alar. 5—6 lin.) 



Ic. albicinctus. Gravenhorst, i. 509.^Sieph. Nomen. 2d edit. col. 136. 



Black : male with the face rather prominent, red, with the mouth, cheeks, 

 inner and upper orbits yellow-white ; female with the mouth red, inner or 

 frontal orbits white ; antennae ferruginous beneath, with the basal joint 

 whitish, or, in the female, involuted, with the 1st joint beneath red, the 9th 

 to 13th white; thorax with the upper and lateral margins of the neck, a 

 transverse streak below the scutellum, and generally a dot beneath the 

 wings and 2 minute ones on the metathorax whitish; of the female imma- 



Mandibulata, Vol. VII., 31st Oct., 1835. n 



