British Braconidce. 181 



1. Centistes lucidator, Nees. 



Bracon lucidator, Nees, Mon., i., 50, 3' • 



Centistes cuspidatus, Hal., Ent. Mag., ii., 462, 3' ? • 



Leiophron ater, Wesm., Nouv. Mem. Ac. Brux., 1835, 



p. 104, 3 ? (not of Nees). 

 5 . Black, brilliant ; mandibles and sometimes the clypeus 

 testaceous ; palpi paler. Two or three basal joints of the antennaa 

 testaceous beneath. Face carinated in the middle. Mesonotum 

 smooth and brilliant, gibbous. Metathorax slightly rugulose, with 

 a shining space on each side at the base, and another at the apex. 

 "Wings hyaline, stigma and nervures reddish fuscous, radix and 

 squamulae dull stramineous. Legs testaceous ; hind tibiae towards 

 the apex, and their tarsi, fuscescent. First abdominal segment 

 aciculated, with 2 lateral carina, and a third in the middle which 

 reaches neither extremity ; the following segments very smooth 

 and shining. Terebra as long as the 1st segment, but concealed in 

 repose ; its valves black, acute, lanceolate. The 3 differs only in 

 having longer antenuEe, and the abdomen not decurved at the 

 extremity. Length, 1 — 1^ ; wings, 2 — 2|- lin. 



The 3 is common everywhere, and especially amongst 

 fungi in woods ; the ? is seldom met with. 



2. Centistes fuscipes, Nees. 



Bracon fuscipes, Nees, Mon., i., 50 ; Leiophron fuscipes, 

 Wesm., Nouv. Mem. Ac. Brux., 1835, p. 107, 2 ; 

 C. fuscipes, Eeinh., Berl. ent. Zeit., 1862, p. 336, 

 3 ?. 



Shorter and stouter than the preceding. Black, shining ; 

 mandibles rufous; palpi piceous. Antennae $ entirely fuscous, 

 stout, filiform, about half as long as the body. Mesonotum 

 smooth, gibbous. Metathorax slightly rugulose, transversely 

 bisected by a carina more or less distinct. Wings shorter than in 

 lucidator, somewhat infuscated, nervures and stigma fuscous or 

 rufescent, the latter short, broad, triangular. Legs stout, brownish, 

 fore femora and tibiae sometimes rufescent, the 4 posterior always 

 dark colom'ed; knees somewhat paler; joints of the tarsi short. 

 Abdomen oblong-ovate; 1st segment broader than in lucidator, 

 rimulose, the apex smoother in the middle ; belly of the ? com- 

 pressed. Terebra as long as \ of the abdomen, but concealed in 

 repose ; valves black, subcylindric, rounded at the end. The 3 is 

 similar, with the usual sexual differences. Length, 1 ; wings, 

 2Un. 



TRANS. ENT. SOC. LOND. 1889. PART II. (JUNE.) O 



