Piniphi.] BRITISH ICHNEUMONS. 85 



22. inanis, Schr. 



Ichiicitinoii inanis, Schr. F.lx ii. 293, cf • /. Raycllac, Schr. lib. cit. n. 2114. 

 Ephialtcs inanis, Gr. I.E. lii. 247 ; Brisch. Schr. Ges. Konig. 1864, p. 178, <f ; 

 Schr. Nat. Ges. Danz. 1880, 109; Schra. Opusc. Ichn. 1138, t^ ? . Pinipla inanis. 

 Thorns. O.K. viii. 754 et xiii. 1413, <? ? . 



cJ . Head entirely black and liardly narrowed behind the very slightly 

 emarginate eyes ; frons shining, obsoletely punctate and pilose, centrally 

 canaliculate with large scrobes ; clypeus depressed and apically emargin- 

 ate; face with grev pilosity and palpi white. Antennae filiform and 

 somewhat longer than halt the body ; beneath sometimes entirely dull 

 testaceous, though generally substramineous with the scape and pedicellus 

 white. Thorax subcylindrical, black with a white callosity before the 

 radix ; mesonotum deplanate, shining and finely pubescent ; pleurae 

 strongly nitidulous and finely pilose; metathorax compressed, .subglabrous 

 and longitudinally sculptured on either side of the subentire, elongate and 

 only slightly explanate areola ; petiolar region short and distinctly costate 

 laterally ; spiracles circular. Scutellum black. Abdomen narrow and 

 more than twice longer than the thorax, linear-cylindrical and yery dis- 

 tinctly punctate and pilose, with the segments apically subeleyated and 

 nitidulous, bearing inconspicuous hiteral tubercles; basal segment strongly 

 bicarinate throughout, laterally margined and rugulose, rather more than 

 twice longer than apically broad ; second coarsely punctate with large 

 gastrocaeli occupying nearly its \\hole base ; second to fifth very rarely dull 

 ferrugineous basally ; ventral valvulae not exserted. Legs somewhat 

 slender ^vith the front femora broadly emarginate or almost excised 

 beneath ; their tibiae subarcuate and the first joint of their tarsi basally 

 excised beneath ; anterior legs flavous or stramineous with the coxae 

 either flavous throughout, fulvous above or basally black, and their 

 trochanters stramineous ; hind coxae rarely entirely black or fulvous, but 

 generally red with the base or a dot black; hind trochanters stramineous; 

 their femora fuhous and tibiae i)ure, bright stramineous with the apex 

 and a semi-band before their base determinately fuscous ; hind tarsi pure 

 stramineous, with the joints more or less narrowly nigrescent apically. 

 Wings hyaline or slightly clouded; stigma piceous or infuscate ; radix 

 and tegulae white ; areolet irregularly transverse-triangular, sessile or 

 subpetiolate ; nervellus opposite and intercepting in the centre. Length, 

 7 mm. 



9- Brischke's description: — Black. Metathorax deplanately canalic- 

 ulate. Abdomen narrow, coarsely ])unctate, deep castaneous with the 

 apices of the segments black and nitidulous; the three basal segments 

 longer than broad, the first longer than the hind coxae and about half as 

 long again as broad ; segments two to five with normal lateral tubercles ; 

 terebra somewhat longer than the body. Legs red, long and slender 

 with the front tibiae arcuate and their femora not emarginate; hind tibiae 

 apically and before the base infuscate, hind tarsi entirely concolorous. 

 Stigma testaceous, nervellus intercepting in the centre. Length, 6 

 — 9 mm. 



Thomson says the terebra is, as in P. diinhi, short. 



Holmgren did not know this species but expected that it would fall into 

 his genus, Colpo/naia ( Sv. Ak. Handl. i860, n. 10, p. ++); and conse- 

 quently Marshall there placed it in the British Catalogue of 1872, refer- 

 ring to Tschck's surmise (Verb. z-b. Ges. 1868, p. 4+6) that it might be 

 synonymous with P. miciim. Giraud {lib. cit. 1803, p. 1200) gives it as 



