BRITISH ICHNEUMONS. 33 



the first having four white spots at the apex of the basal abdominal segment, 

 and the second, in addition to these, two parallel white lines on the disc of 

 the mesonotum (var. nuineratus, Berth.). Of the type form he noted six 

 varieties, which go to show that the scutellar markings and the colour of 

 the legs are extremely variable ; in fact, Bridgman and Fitch, in their tables, 

 including with it C. microstictus, Grav., had to present it in no less than 

 seven different positions. 



No doubt remains that /. ?iigern'mus, Ste., is a dark form of the S of this 

 species, having the head and thorax immaculate, and the anterior tibiae 

 unusually pale internally. I have examined the type in the British Museum ; 

 it has the metanotum somewhat rugulose, and the areola quadrate, slightly 

 longer than broad, its costae feeble. Berthoumieu, misled by Stephens' 

 remark, " cellule nearly triangular," incorrectly considered it synonymous 

 with C. bilineatus, from which its lack of markings at once distinguishes 

 it. 



It has been bred, in Britain, from Nonagria geminipuncta, Gortynaflavago^ 

 a Bomhyx and a Noctua ; and, on the Continent, from Ypsipetes elutata, 

 Eiirratithis pluniislraria, Byrophila glandifera and Tortrix craiaegana. It 

 has been bred, on 27th May, and taken at Prawle Point and Bickleigh, in 

 South Devon ; two males have been bred from larvae found under bark, at 

 Brundall, in Norfolk ; and it is also recorded from Askham Bog, in Yorks., 

 early in June ; Land's End ; Shropshire ; Essex, and the Hastings district. 

 Francis Walker includes it in his Isle of Man list (Entom. 1873, p. 432), 

 on Marshall's authority. I have seen a fine typical male, captured by 

 Sladen, at St. Margaret's Bay, in the middle of June, and a female, in 

 July, at Dover ; Beaumont has taken it at Byfleet, early in August ; Miss 

 Chawner has sent it to me from the New Forest ; Piffard, from Feldon, 

 in Herts. ; Wainwright, from Land's End ; Hamm, from Boars Hill and 

 Bagley at Oxford, in August ; and I have once or twice found it in the 

 Bentley Woods, in the middle of June. 



13. ruficauda, Wesm. 



Ichneumon rtifinus, var. 3, Gr. I. E. i. 481, ? ; var. 2, Holmgr. Ichn. Suec. i. 29, 

 <J ? . /. ruficauda, Wesm. Nouv. M6m. Ac. Brux. 1844, p. 23 ; cf. Bui. Ac. Brux. 

 1S49, p. 36 ; Holmgr. Ichn. Suec. i. 31, (5 9 . /. rufcaudus. Berth. Ann. Soc. Fr. 1894, 

 p. 546, 6 9 . Coelichneumon ruficauda. Thorns. O. E. xviii. 1909. 



Similar to preceding, excepting in colour and genal inflation. Head 

 black ; cheeks normal ; palpi, angles of clypeus and orbits of the eyes, 

 yellowish-white, $ also with mandibles pale. Antennae strongly dilated 

 and attenuate ; ? with a six-jointed white band ; c? scape pale flavous be- 

 neath. Thorax black ; lines on pronotum occasionally and at radix 

 stramineous ; mesonotum not white-marked ; areola sub-quadrate, apically 

 emarginate. Scutellum entirely black, or with basal carinae and its lateral 

 margins basally stramineous. Abdomen black ; segments five to seven 

 entirely brick-red ; post-petiole aciculate ; second segment sub quadrate ; 

 gastrocaeli large and deep ; segments four and five basally aciculate. Legs 

 black ; femora and tibiae usually dark-red ; puncturation of the black hind 

 co.xae sparse, their scopulae flat. Wings with stigma nigrescent ; tegulae 

 red brown, with paler margin in i ; areolet slightly narrowed above, not 

 deltoid. Length, 14 mm. 



