78 BRITISH ICHNEUMONS. [ Stenomacrus 

and in g quadrate. Metathoracic areae obsolete or (var. femoralis) dis- 
tinct. Abdomen not strongly punctate; first and base of second segments 
aciculate, the former longer than breadth of abdomen, obsoletely bicarinate 
and laterally impressed on either side beyond its centre; terebra not 
exserted. Legs pale testaceous with the posterior coxae and femora 
nigrescent; hind femora and tibiae stout; calcaria curved; claws and 
pulvilli small; @ with front coxae flavous beneath, and the anterior 
femora often black-rayed. Wings with no areolet; stigma infuscate and 
emitting the basally slightly curved and apically nearly straight radius 
from its basal third ; submarginal nervure short. Length, 34—5 mm. 
Very distinct in its large size, subcubical head and emission of radial 
nervure. 
It is said to be not rare in marshy places in southern Lapland, from the 
end of July to that of September; and to be found in Prussia. I am 
enabled to record it from Britain on the strength of a couple of males, 
which I possess in Capron’s Surrey collection. 
