Thersilochus] 



BRITISH ICHNEUMONS. 



43 



(22). 21. 



(21). 

 (24)- 



23- 



26. 



(23). 



(20). 



(15). 



(28). 27. 



{ly). 28. 



Tercbra shorter than basal segment; 

 radial branch extending nearly to 

 apex of wing ; stigma entirely 

 black ; apex of second segment 

 and sides of following red 



Terrbra longer than basal segment ; 

 radial branch short; thorax short, 

 stout, dull and laterally pubescent. 



Basal mctanotal area entire ; tere- 

 bra hardly longer than basal seg- 

 ment 



Basal area unicariniform ; terebra 

 nearly half length of abdomen 



Abdomen only obsoletely dull rufes- 

 cent laterally ; terebra as long as 

 abdomen ; antennae basally testa- 

 ceous 



Head not or hardly narrowed be- 

 hind; basal flagellar joint hardly 

 longer than second ; abdomen 

 usually black. 



Antennae black with at most under- 

 side of scape pale ; femora partly 

 black ; stigma not unusually large ; 

 radius not incrassate at areolar 

 nervure 



Antennae basally flavous ; terebra 

 short ; pleurae finely rugose ; 

 sternauli wanting ; legs pale, 

 coxae black 



10. MAKC.INATUS, Bridg. 



11. jocATOK, Fab. 



12. cAKiNAius, Bridg. 



13. Okchksiae, Mori. 



14. .MonF.KATOR, Holmgr. 



15. saltator, Fab. 



1. melanarius, Holmgr. 



Tlicrsi/oclitis iiicluiuiriiis, Holmgr. Sv. Ak. Handl. 1858, p. 139; Thorns. O.E. 

 xiii. 1380, i ? . Isiirgiis divcrsiis, Sz^pl. Term. Fuz. 1899, p. 241, </ ; A)icuclis 

 ntclanariiis, Sz^pl. Ann. Mus. Hung. 1905, p. 529, <? ? . 



Head a little broader than thorax and almo.st linseed-shaped, with 

 vertex very short and strongly constricted posteriorly ; cheeks longer 

 than mandibular base and not buccate, clypeus nitidulous and apically 

 rounded ; 9 with mandibles and clypeal apex, ^ with only centre of 

 mandibles, rufescent. Antennne not extending beyond thorax; flagellum 

 of 9 basally rufescent beneath with about sixteen joints, of J entirely 

 black with nineteen joints, first joint as long as second, penultimate sub- 

 transverse and the last, at least of 9 . '^'^rge and conical. Thorax nar- 

 rower than head with mesonotum hardly shining and notauli wanting ; 

 metathorax rugosely punctate with petiolar area extending beyond centre 

 and in 9 usually distinctly discreted ; pleurae finely rugose with no 

 longitudinal sulci. Abdomen laterally compressed, with second segment 

 of 9 sometimes badious; basal segment slender, in J linear and in 9 

 ajncally explanate; second subtransverse and terebra a little shorter than 

 abdomen. Legs somewhat slender, testaceous with the coxae black, 

 hind femora badious or nigrescent, and their calcaria short. Wings 

 hyaline; stigma somewhat large, piceous and both basally anil apically 

 paler; tegulae flavidous ; areolar nervure rather short and recurrent 

 emitted beyond it. Length, 3-5 mm. 



