BRITISH ICHNEUMONS. 



shrivelled skin and corneous head remain at its anal extremity. The 

 duration of the life of the imngo in captivity is a little over five days 

 in May ; and it will eagerly feed upon the stylopods of Chaerophyllum 

 sy/vestre, which are first carefully investigated with the apices of the 

 antennae. IJeaumont has given me many examples of both sexes, bred 

 from Hadena piotea and Lycaeua argio/us, by Col. Partridge, but in these 

 cases emergence took place at the end of October ; possibly the pupae 

 were " forced " (cf Ichneumon dcliraiorius, 'S:c., post). 



NEOTYPUS, Forster. 



Forst. Ver. pr. Rheinl., 1868, p. 194. 



Head hardly dilated ; clypeus and face convex, not discreted, former 

 broadly rounded apically, with no central dentation ; internal orbits not 

 parallel, divergent. Antennae short, of $ filiform. Mesothorax of ? 

 rufescent ; pronotum not centrally tuberculate ; metathorax distinctly 

 areated ; coxal areae wanting ; sternauli hardly indicated ; pleural costae 

 sub-angularly inflexed ; spiracles oval, appendicular. Scutellum convex, 

 laterally carinate to near its apex. Abdomen fusiform, apically conical. 

 Legs somewhat stout ; onyches of $ pectinate. ^Vings with the second 

 discoidal cell a little nearer the radix than the first cubital ; nervulus often 

 pellucid ; nervellus nearly vertical. 



I. lapidator, Fab. 



Ichueuinon lapidator. Fab. E. S. ii. 160 ; Piez. , 84; Trentep. Isis, 1826, p. 77 ("^^ 

 Fali. M. I. i. 266), $ . Listrodronttis lapidato}-, Wesm. Bui. Ac. Brux. 1854, p. 140, 

 excl. synon. ; Mem. couron. Ac. Belg. 1859, p. 78; Voll. Pinac. pi. xxvii. f. 8, ?, 

 Neotypiis lapi(/ator, Holmgr. Ichn. Suec. ii. 292 ; Berth. Ann. Soc. Fr. 1896, p. 304, 

 (? ? . /. nohililator, Gr. I. E. i. 627, $ . L. nohilitator, Wesm. Bui. Ac. Brux. 1857, 

 p. 404, 9 • N. nohilitator, Thoms. Ann. Soc. Fr. 18S8, p. 123 ; O. E. xix. 2100, $ $ . 



Head black, smoothly and evenly punctate throughout ; frontal and 

 post-ocular orbits narrowly stramineous ; $ with clypeus laterally white. 

 Antennae somewhat slender ; of $ inconspicuously white-banded, with 

 flagellar joints cylindrical, ferrugineous towards the base beneath, the tenth 

 quadrate ; of $ black. Thorax, at least of $ , broadly sanguineous ; areola 

 sub-quadrate or semilunar, apically truncate ; costulae entire. Scutellum 

 of (J usually black ; of $ , with post-scutellum, red. Abdomen villose, 

 finely punctate ; black, with the first two segments apically bimaculated, 

 and the last four margined, with white ; post-petiole convex, centrally 

 foveolate or glabrous, its carinae obsolete ; gastrocaeli large and deep, 

 intervening space narrow and evenly punctate. Legs black, with front 

 femora at apex and anterior tibiae red, the latter internally testaceous. 

 Wings sub-hyaline, stigma piceous ; areolet pentagonal, broad above. 

 Length, 5-7 mm. 



This species closely resembles the Continental N. juelanocephalus, 

 Gmel. {lapidator, Grav. et Thoms), but it is much smaller and the 

 antennae are more slender ; the petiolar area is narrower and strongly 

 impressed ; the scutellum more convex ; the gastrocaeli are broader ; 

 anterior femora and tibiae darker, with the hind ones entirely black ; 

 moreover, the ? antennae are always white, and the $ mesonotum is often 

 rufescent. 



