106 CATALOGUE OF 



Male. Black, subfusiform. Head elongate-conical, as long as the 

 fore lobe of the prothorax; ante-ocular part full twice as long as the post- 

 ocular. Antennae rather longer than the head and the prothorax together ; 

 first joint as long as the ante-ocular head ; second about twice as long as 

 the first; third much shorter than the second. Fore lobe of the prothorax 

 nearly twice as long as the hind lobe ; hind part of the middle furrow very 

 conspicuous. Connexivum with pale yellow spots. Legs piceous ; four 

 posterior femora with a yellow band near their base; spongy furrow of the 

 fore tibiae a little less than half the length of the latter. Fore wings deep 

 black, with a pale yellow streak at the hase of the interior border, with a 

 luteous patch in the disk, and with a large luteous apical spot. Length of 

 the body 6j lines. 



Distinguished from P. maculipennis, concisus and indecisus by the 

 pale tip of the membrane. 



a. Interior of Brazil. From Mr. Walker's collection. 



35. Pirates vittifer. 



Mas. Niger ; caput longi-conicum, prothoracis' lobo antieo aquilongum ; 

 prothoracis lobus anticus biluberculalus, sulco medio postice bene 

 determinate; connexivum testaceo macula turn ; tarsi fulvi; alee 

 anlicce apud marginem inleriorem luteo univittatce. 



Male. Black, elongate-subfusiform. Head elongate-conical, as long 

 as the fore lohe of the prothorax; ante-ocular part much longer than the 

 post-ocular. First joint of the antennae as long as the ante-ocular head ; 

 second about twice as long as the first. Fore lobe of the prothorax almost 

 twice as long as the hind lobe; a tubercle on each side of the fore border; 

 hind part of the middle furrow very conspicuous. Scutellum at the tip 

 forming an obliquely ascending spine. Connexivum with dingy testaceous 

 clots. Legs slender; fore femora slightly thickened; spongy furrow of the 

 fore tibiae not more than one-fourth of the length of the latter; tarsi tawny. 

 Fore wings with a luteous stripe, which extends from the base along the 

 inner border, and does not reach the tip of the membrane. Length of the 

 body 6\ lines. 



a. Columbia. From M. Goudot's collection. 



36. Pirates megaspilus. 



Mas. Niger, subfusiformis, opacus, subtus nitens ; caput conicum, pro- 

 thoracis lobo anlico longius ; femora antica subincrassata ; corium 

 testaceum, nigro varium. 



Male. Black, dull, subfusiform, shining beneath. Head conical, 

 longer than the fore lobe of the prothorax ; ante-ocular part a little shorter 

 than the post-ocular; first joint rather shorter than the head; second much 

 longer than the first. Fore lobe of the prothorax about as long as the hind 

 lobe; longitudinal furrows strongly marked. Fore femora slightly 

 thickened; furrow beneath the four anterior tibiae very short. Corium 

 mostly and irregularly testaceous. Length of the body b\ Hues. 



a. Columbia. From M. Goudot's collection. 



