246 



BRITISH ICHNEUMONS. 



[A/rac/odes. 



(22). 



Tad/c of Species. 



Metathorax not apically produced ; radius emitted beyond centre 



of stigma (Atractodes, aitc/t.). 

 Antennae at least apically infuscate. 

 Notauli deeply impressed ; petiole short ; 



body aeneous i. vestalis, Hal. 



Notauli inconspicuous ; petiole slender ; 



body nitidulous. 

 Wings not shorter than body ; coxae at 



least partly black. 

 Calcaria not longer than onychium ; 



onyches long and slender. 

 Basal segment laterally straight ; eyes 



pilose ; areolet entire. 

 Head and thorax sub -glabrous ; anus 



infuscate. 



Anus punctate-pilose ; legs red 2. BICOLOR, Grav. 



Anus sub-glabrous ; legs flavidous 3. GILVIPES, Holmgr. 



Head and thorax punctate ; anus casta- 



neous 4. CITATOR, Hal. 



Basal segment laterally curved ; eyes 



glabrous ; areolet incomplete 5. GRAVIDUS, Grav. 



Calcaria distinctly longer than onychium ; 



onyches stout. 



Pronotum and mesopleurae punctate 6. COMPRESSUS, 77/w«j. 



Pronotum and mesopleurae glabrous. 

 Apophyses distinct ; $ flagellum pale- 

 banded 7. SUBRUFUS, Grav. 



Apophyses obsolete ; $ flagellum not 



banded. 



Central metathoracic area dilated 8. PICEICORNIS, Hal. 



Central metathoracic area parallel -sided 9. EXILIS, Hal. 

 Wings shorter than body ; co.xae entirely 



rufescent 10. SALIUS, Hal. 



Antennae entirely testaceous n. CROCEICORNIS, //■^^/. 



Metathorax apically produced ; radius 



emitted near centre of stigma (Asyn- 



CRITA, Fbrst.) 12. foveolatus, Grav. 



I. vestalis, Hal. 



Hemitehs ienehricosHs, Gr. I. E. ii. 785; Tasch. Zeits. Ges. Nat. 1865, p. 121, i (?). 

 Atractodes vestalis, Hal. Ann. Nat. Hist. 1839, p. 118; Curt. B. E. 538; Holmgr. Sv. 

 Ak. Handl. 1858, n. 8, p. 112; Forst. Verb. Wien. z.-b. Ver. 1876, pp. 130, 159, i 9. 

 Polyrhemhia tenehrkosa, Forst. lib. cit. pp. 43, 47, i 9 • Atractodes tenebricosns. 

 Thorns. O. E. x. 1026, <J 9 • 



A small black, sparsely punctulate and strongly nitidulous species, with 

 almost an aeneous reflection. Head smooth, buccate and not narrowed 

 behind the eyes, the space between which and the mandibles is broad ; 

 clypeus sparsely punctulate and apically rounded ; mandibles centrally 

 broadly red with sub-equal teeth. Antennae black, slightly longer than 

 head and thorax, filiform ; $ with the basal flagellar joint as long again 

 as the second. Thorax immaculate with distinct and deeply impressed 

 notauli ; metathorax finely scabriculous, with the parallel-sided central 

 area sub-impressed and smoother. Abdomen ovate, immarginate and in 

 ? apically sub-compressed ; basal segment stout, apically curved and 



