46 Rev. T. A. Marshall's monograph of 



36. Bracon anthracinus, Nees. 



Bracon anthracinus, Nees, Mon., i., 81, ? . 



Braco anthracinus, Wesm., Nouv. Mem. Ac. Brux., 

 1838, p. 54, a^ ? . 



Black, smooth and shining ; mandibles, and lateral margins of 

 segment 1, testaceous ; wings fuscous at the base ; 2d cubital 

 areolet shorter than the 3d, measured along the cubitus ; maxillary 

 palpi very long; terebra ? as long as the thorax and abdomen. 

 Length, ^ | — 1; wings, 1| — 2: $ 1 — 1:^; wings, 2— 2| lin. 



Antennae J 18—21-, S" 18 — 23-jointed, and not longer than the 

 body. The narrow testaceous margins of the 1st abdommal seg- 

 ment hardly visible in di'ied specimens ; belly black, sometimes 

 pale at the base ; base of the hind tibiae occasionally testaceous ; 

 wings sometimes hyaline. The $ only differs in wanting the 

 terebra. 



Described from 7 males and 11 females. Frequents 

 umbelliferous flowers, and is generally distributed, ex- 

 tending into Scotland. 



37. Bracon atrator, Nees. 



Bracon atrator, Nees, Mon., i., 82, <? ? . 



Black, smooth and shining ; mandibles piceous ; abdomen 

 oblong, very shining ; an obsolete spot on each lateral margin of 

 the 1st segment, and belly at the base, luteous ; wings obscurely 

 hyaline ; terebra $ longer than the body. Length, 1 line. 



Var. 1. Belly almost entirely, hind tibiai at the base, and 2d 

 joint of trochanters, rufoiTS ; wings obscure. $ ? . Length, 

 li lin. 



Var. 2. yides of the abdomen at the base more broadly testa- 

 ceous. ? . 



Var. 3. Antennae J shorter than the bodj', 19-jointed. ^ 

 similar ; mandibles sometimes obscurely testaceous ; antennae 18- 

 jointed in two examples, 15- in another. Length only ^ line. 

 ? Braco parvulus, Wesm., Nouv. Mem. Ac. Brux., 1838, p. 55. 



I am unable to speak with certainty of this species, 

 the specimens I formerly possessed having perished. 

 The females are distinguished from those of anthracinus, 

 Nees, by the terebra, which is longer than the body. 

 Taken in flowers, like the preceding, near Leicester. 



