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. Connexivuin with pule 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 base of the interior border, with a 

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

 the body 6h 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 anlico cequilongum ; 

 prothoracis lobus amicus bi tuber culatus, sulco medio postice bene 

 determinalo ; connexivuin testuceo maculatum ; tarsi fulvi; alee 

 anticce apud marginem inleriorem luteo univiltatce. 



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

 as the fore lobe 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 ihe hind lobe; a tubercle on each side of ibe fore border; 

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

 forming an obliquely ascending spine. Connexivuin with dingy testaceous 

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

 fore tibite 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 C£ lines. 



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



36. Pirates megaspilus. 

 Mas. Niger, subfusiformis, opacus, sublus nilens ; caput conicum, pro- 

 thoracis loho antico longius ; femora antica subincrassata ; corium 

 teslaceum, nigro varium. 



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

 onger than the lo,e lobe of the prothorax ; ante-ocular part a little shorter 

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

 onger than the first. lore lobe of the prothorax about as long as the hind 

 lobes longitudinal furrows strongly marked. Fore femora slightly 

 thickened j furrow beneath the four anterior tibia vtry short. Corium 

 mostly and irregularly testaceous. Length of the body o£ lines. 

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



