Hemifeles.'] BRITISH ICHNEUMONS. I43 



segment distinctly and usually the basal half of the second finely aciculate, 

 the former explanate and twice longer than apically broad ; tercbra about 

 half the length of the abdomen. Legs stout, red ; tarsal claws somewhat 

 stout ; S with the coxae and trochanters black. Wings with the stigma 

 piceous and apically white ; radix and base of costa pale ; areolet pen- 

 tagonal with the outer nervure wanting, nervellus antefurcal ; of $ usually 

 with an infuscate fascia traversing the disc beneath the stigma. Length, 

 3-5 mm. 



This distinct species is said to be similar in colour and size to Il.flori- 

 co/a/or, but the sculpture of the head and mesonotum, the ? fasciated 

 wings and $ dilated occiput will readily distinguish it. I possess, how- 

 ever, females in which the wings are hardly at all fasciated, though the 

 metathoracic and petiolar sculpture is identical. 



The original female was taken by Billups at Chobham. Bred from 

 Laverna epilobiella and captured at Earlham and Heigham, near Norwich, 

 in July and September (Bridgman). Recently it has turned up in Sweden 

 and Germany. It has occurred to me at Finborough Park in Suffolk in 

 mid-September ; Capron found it at Shere in Surrey ; Bignell at Chichester 

 and Bickleigh, in July and August ; and Beaumont at Lewisham, in May. 



23. brunneus, sp. n. 



Head black, transverse, distinctly narrowed behind the eyes, very 

 closely and finely punctate, and dull, with the vertex sub-convex and 

 finely pubescent. Antennae piceous, ferrugineous beneath ; flagellum 

 filiform, sub-incrassate apically and consisting of nineteen, twenty or 

 twenty-one joints ; basal joints decreasing in length, scape sub-cylindrical. 

 Thorax somewhat short, black ; pronotum not carinate ; mesonotum 

 obsoletely punctate, nitidulous and anteriorly vertical, with the notauli 

 small and not deeply impressed ; metathorax shining, with distinct and 

 strong costae ; areola entire, emitting the costulae from its centre, of ? 

 sub-transverse and basally rounded, of $ sub-quadrate and basally con- 

 tracted ; petiolar area discreted, apophyses small but acute. Abdomen 

 sub-glabrous, piceous, with two or three basal segments brunneous, of $ 

 elongate-ovate, of $ sub-cylindrical ; basal segment sub-glabrous, of ? 

 with the post-petiole bordered, of $ sparsely punctate and distinctly 

 bicarinate ; terebra three-quarters the length of the abdomen. Legs 

 entirely testaceous, with only the apices of the tarsi piceous. Wings 

 hyaline, with the areolet apically incomplete and sub-transverse ; fenes- 

 trae broad and very nearly confluent, discoidal cell apically acute ; 

 nervellus slightly antefurcal, intercepted far below the centre. Length, 

 3-3^ mm. i 9 . 



This species is closely allied to //. incisus, Bridg., but differs very 

 materially in the structure of the mesonotum, metathorax and basal 

 abdominal segments. 



I expect it to be not unconmion, though probably mixed with the 

 preceding. A male occurred to me on flowers of Afii^e/ica sylvestris at 

 ('laydon bridge near Ipswich, in August, KS99, and subsequently a female 

 on the window of a house in Soulhwold, in the middle of September. 

 Tuck has found it at Tostock early in September, and r)igne!l at Bickleigh, 

 in June and August. 



