296 BRITISH ICHNEUMONS. [Polyblastus 

lost. I hardly consider it distinct and the following are differentiated 
solely on the entirely black hind tibiae and tarsi. 
Gravenhorst knew two females taken in Silesia and during May near 
Breslau; Schiddte records it from Denmark ; Holmgren says it occurs in 
Sweden in July, and in Lapland; Brischke found it in Prussia; Van 
Burgst in Holland, and Gaulle tells us it has been bred from Delinia 
pusaria in France. It appears very rare in Britain, whence it has not 
before been recorded; three specimens from Cornworthy and Slapton in 
oo 
SPER co >, 
S a ne. > 
_ 5 > 
ii & > e R 
~ 2 x 2 9 
FE . S a 
aeate Dg Se ee 
SIRS 
Devon are in Marshall’s collection; I took a female on flowers of 
Angelica in Matley Bog on 24th August, 1901, and another carrying six 
live and active larvae on 12th August, 1906, in Tuddenham Fen. 
7. sphaerocephalus, Grav. 
Tryphon sphaerocephalus, Gr. 1. E. ii. 247; Ste. Ill. M. vii. 251, ¢. T. bi- 
sculptus, Gr. I. E. ii. 251; Ste. Ill. M. vii. 252, ¢. T. bifasciatus, Zett. I. L. 
389, ¢. T. trisculptus, Ste. Ill. M. vii. 252, ¢; Holmgr. Sv. Ak. Handl. 1854, 
p.77, ¢. Polyblastus sphaerocephalus, Holmgr. lib. cit. 1855, p. 206; Brisch. 
Phys. Ges. Konig. 1871, p. 92; Schr. Nat. Ges. Danz. 1878, p.97, ¢ ?. P. (Sco- 
piorus) sphaerocephalus, Thoms. O. E. ix. 903, 3. 
A shining, sparsely punctulate, black species with the mouth, cheeks, 
face, scape of 9 beneath, tegulae and whole or part of anterior coxae, 
flavous; abdomen centrally and legs red. Clypeus subimpressed before 
its apex. Metathorax semiglobose, with five very distinct areae. Scutel- 
lum not pyramidal, laterally margined to its centre and apically sub- 
elevated. Basal segment somewhat broad, gradually dilated towards its 
laterally deplanate apex, with carinae short and distinct; second segment 
