British Bracotmlce. 197 



5. Macrocentrus eollaris, Spin. 



Bracon eollaris, Spin., Ins. Lig., ii., 140 ; Rogas 



eollaris, Nees, Mon., i., 204, $ ; Wesm., Nouv. 



Mem. Ac. Brux., 1835, p. 179; Ratz., Ichn. d. 



Forst., iii., 67, <? 2 ; M. eollaris, Hal., Ent. Mag., 



iii., 140, ? . 

 Braeon ebeninus, Nees, Mon., i., 67, c? . 

 Macroeentrus pieipes, Hal., I.e., $. 



More slender than M. infirmus, with longer legs and antenna;. 

 J . Black ; clypeus, palpi, mandibles, prothorax, mesonotum, and 

 legs rufo-testaceous. ^ . Only the clypeus and mandibles rufo- 

 testaeeous ; legs fuscous or blackish. Maxillary palpi short, not 

 longer than the head. Antennae ? as long as the body, 31-jointed; 

 of the (? longer, 35-jointed. Metathorax punctulate. Wings hya- 

 line ; stigma fuscous with a pale spot, or flavo-testaceous with a 

 fuscous spot ; nervures, radix, and squamulse fuscescent ; 2d 

 abscissa of the radius much shorter than the 1st intercubital ner- 

 vure. Legs elongate, slender; 2d joint of trochanters fuscous at 

 the base in the 2 ; femora not siibclavate ; hind tarsi much longer 

 than those of M. infirmus. Abdominal segments 1—2 hardly 

 rugulose ; the rest quite smooth ; 1st segment attenuated at the 

 base ; tubercles obtuse in the $ , more salient in the ^ ; 2d segment 

 laterally margined at the base, sometimes piceous in the J . 



Common ; Wesmael captm*ed 8 females and 6 males 

 near Brussels on the flowers of the dwarf elder, Samhueiis 

 ehuliis ; it was a frequent species in Wiltshire, where I 

 obtained a good series ; found in Ireland on a sandy 

 coast by Haliday. A parasite, according to Ratzeburg, 

 of Anobium pertinax, L. 



ii. Zele, Curt. 



Zele, Curt., B. E., 415 (1832) ; Hal,, Ent. Mag. iii., 

 140. 



Phylax, Wesm., Nouv. Mem. Ac. Brux., 1835, p. 159. 



Head twice as broad as long ; vertex convex, but, not ridged 

 transversely. Eadial nervure of the hind wings sinuated ; radial 

 areolet sometimes geminated by a transverse nervure. Spurs of 

 hind tibiae as long as half the metatarsus, or longer. Second 

 abdominal segment not canaliculated on each side. 



Head as broad as the thorax ; occiput margined, slightly con- 

 cave ; ocelli protuberant, contiguous ; eyes large ; face subquadrate, 

 flattened ; clypeus semicircular, discrete, with a fovea on each 



TRANS. ENT. SOG. LOND. 1889. — PART II. (jUNE.) P 



