Porizori] BRITISH ICHNEUMONS. 31 



basal segment. Legs red with the hind coxae partly black and the 

 femora sometimes slightly infuscatc ; hind calcaria not longer than a 

 third of their metatarsi. Wings slightly clouded with the stigma strongly 

 infuscate and tegulae piceous or flavidous. Length, 3-4 mm. 



Holmgren savs this species resembles P. claviventris, but that species 

 has the second segment twice as long as broad and the femora art* much 

 stouter and broader. 



Northern and central Europe. Recorded by ^Marshall from Lastingham 

 in Yorkshire (Yorks. Nat. Union Trans. 1877, p. 1%"); a single female at 

 Brundall, near Norwich (Bridgman). I have seen nothing I could 

 ascribe to this distinct species. 



3. gravipes, Grav. 



Porizon gravipes. Gr. I.E. iii. 757, ? . P. (Cratophion) gravipes. Thorns. 

 O.E. xiii. 13f!3, cT ? . P. hostilis, Holmgr. Sv. Ak. Handl. 1854, p. 23. ^ ; lib. 

 cit. 1858. p. 132, <? ? ; Ofv. 1858, p. 328. 



Head not constricted posteriorly, punctate and finely pubescent; frons 

 subimpressed above scrobes ; eyes small and oval ; face transverse with 

 cheeks and temples both broad and buccate ; centre of mandibles and 

 sometimes apex of clypeus rufescent. Antennae longer than half body, 

 apically attenuate with the basal flagellar joint twice longer than broad. 

 Thorax stout and longer than high, punctate and finely pubescent, with 

 notauli apically distinct ; metathorax of 9 punctate and of ^ rugose, 

 with no basal longitudinal carinae, though basal area laterally distinct. 

 Abdomen black with second segment except basally, the third and fourth 

 entirely, red and the following in $ piceous with paler apices; central 

 segments of J usually discally infuscate ; basal segment cur\-ed, with a 

 broad sulcus to beyond centre and no lateral margin ; apex of postpetiole 

 subexplanate and sometimes partly aciculate ; the second nitidulous and 

 hardly longer than its apical breadth with basal foveae, the following 

 glabrous and nitidulous, subemarginate with distinct sutures ; terebra but 

 slightly exserted, stout and reflexed; in ^ the basal segment is narrower 

 and straighter, with anal sty Is somewhat stout. Legs red, with coxae and 

 trochanteral base black, and tarsi apically infuscate. Wings distinctly a 

 little infumate, with the tegulae and large stigma nigrescent, or the former 

 in (5 rufescent. Length, 7-10 mm. 



Central and northern Europe ; rare in Thuringia; Gaulle says it has 

 been bred from Rhodites rosae. I find no specific British records and can 

 believe it to be extremely rare with us, for in the course of twenty years' 

 collecting I have seen but three males, diflering slightly inhr si\ The 

 first was found on flowers of Augclica syZ-'is/ns at Foxhall, near Ipswich, 

 on 1 8th September, 1902; this is 8 mm. in length with the femora and 

 tibiae fulvous and hind tibiae basally infuscate above. Ihe second was 

 taken crawling in a sand pit half-a-mile away on 8th April, 1904, and is 

 only 6 mm. in length with the hind tibiae testaceous and their femora 

 infuscate; Mr. de la Garde has been so good as to give me an analogous 

 male taken on 6th Ajiril, 1901, in Devonshire. 



