Oedematopsis.] BRITISH ICHNEUMONS. 269 



Its position is still a moot point ; though strictly speaking the subses- 

 sile, rough and deplanate abdomen, lack of all trace of areolet and dis- 

 tinctly exserted terebra, place it incontrovertibly in the Pimplhiae, among 

 which its cubical head and elongate legs ally it most closely with the 

 Xoridini. Tschek says his geniis is " a further contribution to the hwi,- 

 ix\?in. Pimp/idae" and Bridgman (Entom, 1879, p, 129) "that it ought to 

 remain among the PimpUdae and in Holmgren's section ii A a f " {Xoridini'). 

 Thomson, however, places it in his subtribe Thymaridesoi^ho: Tryphoniiiae 

 and no doubt can remain that, wherever placed, it cannot be separated 

 from Thyviaris, a genus of far less Pimplid facies. (Jn the whole, I am 

 inclined to think, with the last author and Gravenhorst, that, in spite of 

 its cubical head and exserted ovipositor, it is a true Tryphonid and cer- 

 tainly not one of the Lissonottni, among which it is placed as synonymous 

 with Hybophaties by Ashmead, who probably followed up Marshall's posi- 

 tion for it at the end of Phyiodictiis. It is here treated in its strict and 

 perhaps more unnatural position in the Pimplinae, which is further fa\"oured 

 by its ektoparasitic economy. 



Table of Species. 



(2). I. Metanotal carinae weak ; thorax dis- 



cally black .. .. .. .1. SCABRICULA, G^r^j'. 



(i). 2. Metanotal carinae strong ; thorax dis- 



cally red 2. Ops, Mori. 



1. scabricula, Grav. 



Trvplion scabriciiliis, Gr. I. E. ii. 180, 3 . Oedcmopsis Rogenhoferi, Tschek, 

 Verb', z.-b. Ges. 1868, p. 276, ? ; lib. cit. 1870, p. 430, ,? ? . O. scabriculus, 

 Brisch. Schr. Nat. Ges. Danz. 1878, n. (», p. 70 ; Voll. Pinac. pi. xxxii, fig. 1. Phy- 

 todietiis scabriculus, 15ridg. Entom. 1878, p. 36, ? ; cf. lib. cit. 1879, p. 129, cf ? . 

 Oediniopsis scabricula, Tboms. O. E. ix. 907, i ? . 



Punctate, black, entirely stramineous beneath. Head with the mouth 

 except apices of mandibles, cheeks, clypeus, face, and all the orbits 

 broadly, stramineous, .\ntennae basally pale beneath, of (J fulvo-ferrugi- 

 neous, of 9 usually with a variable band bevond the centre. Prothorax 

 except discally, the whole sternum, lower part of the pleurae, broad and 

 elongate lines before radix, sides and apex of scutellum and the postscu- 

 tellum, flavous ; notauli and sternauli half length of mesothorax ; meta- 

 thorax rugose with five indistinct areae and the petiolar area very short. 

 Abdomen black, usually with the incisures, especially the apical ones, 

 and all the ventral segments in life, glaucous-white; second and third seg- 

 ments, and apex of the aciculate andbicarinate first, scabriculous, remainder 

 smoother; terebra a little longer than the basal segment, stout and dis- 

 tinctly incrassate beneath before the centre. Legs flavous, or in life 

 luteous, with the apical tarsal joint, extreme apices of the hind femora 



