26 



BRITISH ICHNEUMONS. 



\Microcryptus. 



Tibiae not white-marked. 



Face entirely white 13. ARRIDENS. 



Face not or only partly white. 



Orbits not white 4. FLAVOPUNCTATUS. 



Orbits at least partly white. 

 Hind tarsi white-banded. 

 Pronotum not white. 



Callosity beneath radix white 2. PERSPICILLATOR. 



Callosity beneath radix not white 3. ARROGANS. 



Pronotum white 15. LEUCOSTICTUS. 



Hind tarsi not white-marked. 

 Pronotum not white. 



Callosities at radix not white 16. NIGROCINCTUS. 



Callosities at radix white 18. larvatus 



Pronotum white 17. CRETATUS. 



Scutellum black. 



Head not white-marked. 



Antennae centrally white-banded 6. IMPROBUS. 



Antennae not white-banded. 



Hind femora apically black 20. SERICANS. 



Hind femora entirely red i. RUFIPES. 



Head white-marked. 



Face not white-marked 27. labralis. 



Face entirely or laterally white. 

 Whole face white. 



Pronotum and cheeks not white 10. BIFRONS. 



Pronotum, and often cheeks, white 14. GALACTINUS. 



Only the orbits, and sometimes epistoma 

 white. 



Anus white {cf. also No. 22) 23. SPERATOR. 



Anus not white. 



Hind tarsi white-banded. 



Callosities at radix white 5. surguttatus. 



Callosities at radix not white 21. tricinctus. 



Hind tarsi not white-banded. 



Vertical dots white Ii. ABDOMINATOR. 



Vertex immaculate. 

 Clypeus not white. 



Anterior trochanters white 26. micropterus. 



Anterior trochanters not white 25. BRACHYPTERUS. 



Clypeus white 22. erythrinus. 



I. rufipes, Grav. 



Ichneumon curvus, Schr. F. B. II. ii. n. 2087, $ . Phygadeiwn curvns, Gr. I. E. ii. 

 679, cf. i. Suppl. 706; Ste. 111. M. vii. 299; Ratz. Ichn. d. Forst. i. 146; Tasch. 

 Zeits.'Ges. Nat. 1865, p. 42, 9 . Crypttis rttfipes, Gr. I. E. ii. 453; Tasch. Zeits. Ges. 

 Nat. 1865, p. 71, c?. Plectooypiiis cmviis. Thorns. O. E. vi. 599. JMicrocryptus 

 curvtis, Thorns, lib. cit. ix. 854, ' c? 9 ; </• xxi. 23S3. 



Head anteriorly nearly triangular, frons closely and coarsely punctate 

 and pubescent, with the scrobes somewhat large ; clypeus discreted, 

 shining and apically truncate ; mandibles stout, with equal teeth, cheeks 

 buccate, epistoma intumescent ; vertex abruptly declived posteriorly, but 

 not angularly emarginate centrally; mouth and usually part of the man- 

 dibles rufescent; c? face immaculate. Antennae black; of ? stout, filiform, 



1 Thomson, by a lapms, calami, here indicates fulvipes, Grav., as its J ; this is only a repetition of 

 rufipes, Grav., as given before. 



