MYBMELEONITES. 6*9 



Pitchy, slender : head hlack in front ; vertex ferruginous, very 

 convex, with a slight longitudinal farrow ; face and underside tes- 

 taceous: palpi testaceous : antenna ferruginous, clavate, much 

 shorter than the thorax ; tips pitchy : prothorax linear, pale testa- 

 ceous, longer than broad, with three pitchy stripes, the side pair 

 short : segments of the mesothorax and of the metathorax with 

 testaceous hind borders : abdomen shorter than the wings : legs 

 testaceous, slender: wings limpid, narrow, slightly angular at the 

 tips ; stigma whitish, very indistinct ; veins white, ciliated; subcosta 

 and cubitus with pitchy bands ; subcostal areolets simple, with two 

 or three forked veins by the stigma ; marginal region narrow : hind- 

 wings a little shorter and narrower than the fore-wings. Length of 

 the body 12 lines ; of the wings 26 lines. 



a. St. John's Bluff; E. Florida. Presented by E. Doubleday, Esq. 



153. MYRMELEON MOBOSUS. 



Testaceus, gracilis ; caput nigro fasciatum, vertice nigro vittato et 

 maculato ; palpi albidi ; antennae picece, annulate?, thoracis 

 dimidio vix longiores ; thorax nigro trivittatus, prothorace 

 paullo latiore quam Longiore ; abdomen nigrum, basi testaceo 

 strigatum ; pedes testacei piceo varii ; alee limpidce, parvce, 

 non acuminates, anticce apicefusco notatce. 



Testaceous, slender: head with a black band above the base of 

 the antenna ; vertex with a black stripe, and with two bands of 

 black spots : palpi whitish : antennre pitchy, clavate, testaceous at 

 the base, little more than half the length of the thorax ; tips of the 

 joints testaceous : thorax with three black stripes, which become in- 

 terrupted and irregular as they extend hindward : prothorax a little 

 narrower in front, rather broader than long, with a black stripe on 

 each side beneath : segments of the mesopectus and of the meta- 

 pectus pitchy, with testaceous borders: abdomen black, nearly as 

 long as the wings, with a testaceous streak on each side at the base : 

 legs testaceous, with pitchy dots ; femora with pitchy streaks ; tips 

 of the tibiae and of the joints of the tarsi pitchy: wings limpid, 

 rather short and narrow, not pointed ; stigma white with an adjoin- 

 ing brown spot ; veins white with black bands ; subcostal areolets 

 simple, their veins not forked between the base and the stigma ; two 

 slight oblique brown streaks, one in the disk near the tip, the other 

 proceeding in a curved line outward from the fork of the cubitus 

 which is clouded at its base ; forks of some of the marginal veinlets 

 very slightly clouded : hind-wings narrower and much shorter than 



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