188 Mr. F.Walker's Characters of undescribed Neuroptera 



Myrmeleon conicollis. 



Ferruglneo-fusca, gracilis, capite lineis flavis, facie flava, 

 palpis longis clavatis, antennis nigris clavatis basi rufescenti- 

 bus, thorace vittis quatuor flavis, pedibus flavis robustis 

 spinosis, alis longis angustis acuminatis, plagis costalibus 

 litiirisque posterioribus fuscis, venis stigmateque albis. 



Ferruginous brown, slender : head above with various yellow 

 lines; face and underside yellow; palpi long, slender, with clavate 

 tips ; antennae black, clavate, reddish at the base ; thorax with 

 four yellow stripes; abdomen rather shorter than the fore-wings; 

 legs yellow, stout, spinose ; spurs as long as the first and second 

 joints of the tarsi; wings long, narrow, slightly angular and 

 acuminated at the tips; veins and stigma white; fore- wings a little 

 broader and hardly shorter than the hind-wings, with four brown 

 costal patches, and with several small brown marks in the disk 

 and along the hind border ; hind-wings with three brown costal 

 patches, and with the other marks larger and fewer than those of 

 the fore-wings. 



Length of the body 15 lines ; of the wings 30 lines. 



Amazon Region. 



Allied to M. suhdolus. 



This species and the four following agree with M. immitis in the 

 structure of the wing-veins, and with them belong to a South 

 American group, which is distinguished by a long slender body, 

 short clavate antennae and narrow lanceolate wings. 



Myrmeleon mgriventris. 



Nigricans, gracilis, capitis lituris facieque testaceis, antennis 

 nigricantibus capitatis ferrugineo-lineatis, thorace vittis dua- 

 bus lateralibus latis lineisque interruptis testaceis, pedibus 

 testaceis -validis spinosis, alis angustis acuminatis, stigmate. 

 albo, venis nigris albo-fasciatis, venis paucis nonnunquam 

 nigro-nebulosis. 



Blackish, slender : head testaceous in front and beneath, and 

 with several testaceous marks above ; antennae blackish, capitate, 

 with a ferruginous line above; thorax with slight interrupted tes- 

 taceous lines, and with a broad testaceous stripe on each side ; 

 abdomen longer than the wings in the male, rather shorter in the 

 female; legs testaceous, stout, spinose; wings narrow, acuminated; 

 stigma white, veins black, with white bands ; fore-wings with the 



