Euryproctus | BRITISH ICHNEUMONS. 24 


and Nunton in Wilts (Marshall); Lyndhurst (Adams); and Felden in 
Herts (Piffard). My series of forty was taken for the most part on flowers 
of Chaerophyllum, Heracleum sphondylium, Angelica sylvestris and Foeniculum 
vulgare, though occasionally by sweeping rough grass and mixed herbage. 
My first and earliest acquaintance with the species was at Belstead in 
Suffolk on June rst, 1897, and from that date it occurs pretty regularly 
through July and August, up to the first week in September. I have 
found it at Cromer in Norfolk, Peterboro on the banks of the Nene in 
Northants, and in Suffolk at Ipswich, Stanstead Wood, Tuddenham fen, 
Covehithe, Bramford, Barnby Broad, Alderton, Barking, Brandon by 
sweeping reeds, Barton Mills and constantly about the end of August 
here at Monks’ Soham. I cannot consider £. simzsfer as more than a 
variety of the present species, with which it agrees in having the nervellus 
intercepted below the centre and with the next in (says Bridgman, who 
does not appear to have known &. /ateral7s) the flavous g face; the only 
distinctions to be traced lie in the apically black hind tibiae and their 
tarsi and the presence of an areolect, found to be wanting in two wings of 
some six specimens. It is described from Prussia; Bridgman took a 
female at Earlham near Norwich in the middle of September, 1879, and 
Bignell found another at Longbridge in Devon on 25th August. The 
former adds that J. E. Fletcher bred both sexes, probably at Worcester, 
from Lriocampa varipes, and suggests that, since two specimens each with 
a defective areolet were recorded, the outer submarginal nervure was 
sometimes wanting. The present species was known to Stephens and 
Desvignes under the name 77yphon quadrilineatus, Grav., which was 
thought to bea Zzssonofa by Brischke and proved to be Cryptopimpla 
blanda, when Pfankuch examined the type in 1906. 
14. lateralis, Grav. 
Tryphon lateralis, Gr. I. E. ii. 690; Ste. Ill. M. vii. 255, ¢. Syndipnus punc- 
fescuta, Dhoms,. ©} E. xix, 2005, do 9- 
A small black species with the abdomen indefinitely in its centre and 
all the legs except basally red, the nervellus strongly postfurcal and inter- 
cepted distinctly a little above its centre; ¢ face entirely flavous. 
Length, 54—7 mm. 
This and the last-described species are closely allied and superficially 
inseparable ; both have the basal segment uneven and bicarinate to its 
centre where it is transimpressed, the abdomen more or less broadly and 
indefinitely red centrally, often binotated or transfasciated with black or 
only laterally black on znd and 3rd segments, with the extreme anal seg- 
ments apically testaceous, the legs red with only the base of the hind and 
sometimes of the anterior black, the areolet wanting, radix and tegulae 
white, thorax immaculate with areola small and triangular. But £. 
notatus has the nervellus distinctly antefurcal, intercepted far below its 
centre and the @ face immaculate black, whereas in £. /a/eralis the ner- 
vellus is postfurcal and intercepted above its centre, with the ¢@ face 
flavous throughout. 
This species has hitherto been but little understood; Gravenhorst 
knew it only from Shropshire, and I have seen three males in Stephens’ 
collection “taken in the neighbourhood of London in June”; three 
others in Mus. Brit. were found by Desvignes, and the last by Marshall 
