Amlasta] BRITISH ICHNEUMONS. 207 



irregular, small and petiolate, or wanting ; radial cell sublanceolate and 

 apex of the discoidal acute below ; anal nervurc emitted from centre of 

 brachial cell and the cubital not often divergent; nervellus neitlier obliciue 

 nor geniculate. 



This genus is said to difter from .l//i^/'/ia mainly in the larger and stouter 

 body, the capital conformation, internally emarginate eyes, more oblique 

 basal nervure, the relative length of the second and third segments and 

 in the short, apically explanate terebra. 



Table of Species. 



(2). I. Front wings with the areolet entirely 



wanting .. .. .. i. I'.RACCATA, Giiiel. 



(i). 2. Front wings with the areolet evidently 

 entire. 



(10). 3. Antennae stout and hardly extending 

 beyond thorax. 



(7). 4. Centre of abdomen broadly eastaneous 



or rufescent. 

 (f)). s- Tibiae dull stramineous ; terebra 



length of first segment .. 2. KAFAX, Grav. 



(5). 6. Tibiae red, subimmaeulate ; terebra 



hardly length of postpetiole .. 3. y-OXXW, Grav. 

 (4). 7. Abdomen black, with at most third 



segment laterally piceous. 

 (9). 8. Front trochanters black ; terebra 



length of postpetiole . . . . 4. EliENlNA, Grav. 



(8). 9. Front trochanters red ; terebra hard- 

 ly extending beyond anus .. 5. CAKliOXARIA, /vV/2. 

 (3). 10. Antennae more slender and extend- 

 ing distinctly beyond thorax. 



{22). II. Abdomen more or less extensively 

 red ; terebra often exserted. 



(21). 12. Ventral plica piceous or nigrescent; 

 scape usually black. 



(18). 13. Central segments alone rufescent ; 

 anus black. 



(17). 14. Tegmlae stramineous ; speculum usu- 

 ally nitidulous. 



(16). 15. Scape black; mesopleurae shining; 



terebra subexserted . . . . 6. RrFlciN'CTA, Grav. 



(15). 16. Scape pale below; mesopleurae dull ; 



terebra long as postpetiole .. 7. 15ARRKTTI, ^/-/^■/i,'-. 



(14). 17. Tegulae black; speculum distinctly 



dull 8. Doi.osA, Grav. 



(13). 18. Central segments and sides of whole 

 anus rufescent. 



(20). 19. Mandibles white; hind tibiae basally 



black; terebra hardly exserted ,. 9. CAi;i)AloR, Grav. 



(19). 20. Mandibles black; hind tibiae basally 

 white; terebra length of first seg- 

 ment 10. RllA, Jh-iili^. 



(12). 21. Ventral plica and underside of scape 



flavidous II. VKXCiscvA, Ho/m^r. 



(11). 22. Abdomen nearly entirely black; tere- 

 bra not or hardly exserted. 



(26). 2T^. Ventral plica fiavidous. 



(25). 24. .Ml the femora and tiiaiae entirely 



rufescent .. 12. c\.\v<..\, Brisc/i. 



I 



