Tryphon | BRITISH ICHNEUMONS. 181 

apically subtruncate, with the areae and areola obsolete, transverse costa 
strong. Scutellum margined and gradually elevated towards its apex. 
Abdomen immaculate fulvous throughout ; first segment basally narrowed 
with central spiracles and weak carinae ; terebra subexserted, infuscate. 
Legs somewhat slender, fulvous with apices of hind femora and of their 
tibiae rarely infuscate, their tarsi occasionally nigrescent. Wings some- 
what clouded, areolet irregularly triangular; stigma infuscate; nervellus 
intercepted in its centre. Length, 6-—8 mm. 
Known by its apically explanate and emarginate frontal process, very 
short cheeks, deplanate clypeus with its densely tomentose foveae, 
abruptly declived metathorax, and the entirely fulvous abdomen and 
coxae. 
Both sexes are said to be common on umbelliferous flowers in Italy 
and Germany (Grav.), where Dalla Torre says Brischke bred this species 
from A/halia spinarum, doubtless a slip for Giraud’s Austrian record from 
this host (Ann. Soc. Fr. 1877, p. 407) ; not infrequent in damp places in 
Sweden (Hlmgr.); France (Gaulle). With us it is certainly rare; 
Stephens thought it not common and records it from Darenth Wood in 
June; Bignell captured it in south Devon at Bickleigh on 4th August and 
Shaugh Bridge on 17th August. I possess the specimen recorded 
(Entom. 1880, p. 88) from near Guildford by Dr. Capron, with three 
others from his collection; and Charbonnier has given me a male, taken 
by him in 1907 near Bristol. A couple in Marshall’s collection are from 
Nunton in Wilts and Botusfleming in Cornwall. 
3. helophilus, Grav. 
Tryphon helophilus, Gr. I. E. ii. 284, ¢ 2 (nec Holmgr., Thoms.). T. bicor- 
nutus, Holmgr. Sv. Ak. Handl. 1854, p.76; Jib. cit. 1855, p. 188; Brisch. Schr. 
Nat. Ges. Danz. 1878, p.92; Thoms. O.E. ix. 896, ¢ ¢. 
Shining and pubescent, with the mouth and clypeus alone flavescent ; 
frons strongly nitidulous and very finely punctate, with no horn but the 
scrobes cornutely elevated internally. Metathorax smooth and shining, 
with the areae complete and costulae entire. Scutellum with weak longi- 
tudinal carinae. Abdomen shining and very finely punctate, black with 
segments one or two to four red; basal segment with carinae extending 
somewhat beyond its centre. Legs pale red with only base of coxae, 
apices of hind femora somewhat broadly and of their tibiae, black; tro- 
chanters immaculate red. Length, 6—8 mm. 
At once known from the remainder of the genus, except 7° evclama- 
tionis, by the peculiarly elevated inner edges of the scrobes, which 
represent two short horns when viewed from the vertex. 
This species is not very uncommon in marshy places in August in north 
west Europe, though its distribution is hardly yet ascertained. It was 
found to be British in 1881 (Trans. Ent. Soc. p. 164) by Bridgman, who 
took it at Cringleford, Brundall and Felthorpe in Norfolk during July and 
August, adding that Capron had found it at Shere. I have never seen it 
in July and my earliest date is 17th August, 1900, when it was swept from 
Sparganium ramosum, growing in water at Foxhall; subsequently it occurs 
on the flowers of Angelica at Claydon and Finborough Park in Suffolk up 
to zoth September, when Tuck has also taken it at Tostock; it does not 
occur away from marshes and has not been bred. Elliott has sent it me 
from Banchory in the Highlands, 
