MYRMELEONITES. 381 



bands, ciliated ; subcostal areolets simple, their veins not forked 

 between the base and the stigma: hind-wings a little shorter and 

 narrower than the fore-wings. Length of the body 9? lines; of 

 the wings 26 lines. 



a. Congo. Presented by Sir John Richardson. 



140. MYEMELEON IMMA.NIS. 



Cinereo-niger, gracilis ; vertex flavo bimaculatus ; palpi flam ; 

 antennas graciles, basi flavor, thoracis longitudine ; prothorax 

 flavus, paullo longior quam latior, disco nigricante, subtus 

 nigro bivittatus ; thoracis segmenta flavo mar gin ata ; abdomen 

 apiceflavum ; pedes testacei ; alee limpidce, subangustce, pubes- 

 centes, venis testaceis. 



Black, slender, slightly tinged with gray: head not grayish, 

 shining towards the mouth, with two yellow spots on the vertex : 

 eyes bordered with yellow : palpi yellow: antennae black, subclavate, 

 slender, as long as the thorax, yellow at the base : prothorax yellow, 

 rather longer than broad, a little narrower iu front ; disk blackish ; 

 underside yellow, with a blackish stripe on each side : segments of 

 the mesothorax and of the metathorax with yellow borders : abdo- 

 men shorter than the wings ; tip yellow: legs testaceous; hind-legs 

 occasionally with some black marks: wings limpid, rather narrow, 

 very pubescent and iridescent ; stigma slightly testaceous, very in- 

 distinct ; veins testaceous, of one colour ; subcostal areolets simple, 

 their veins forked from two-thirds of the length to the tip : hind- 

 wings narrower than the fore-wings but hardly so long. Length of 

 the body 12 lines ; of the wings 24 lines. 



a, b. China. Presented by G. T. Laye, Esq. 



141. MYRMELEON S.EVUS. 



Testaceus ; caput nigro varium, facie palpisque flavis ; antennae 

 nigrce* thorace mullo breviores, basi flavo biannulatce ; protho- 

 rax antice vix angwtior, paullo longior quam latior, nigro 

 trivittatus ; thorax nigro quinquevittatus ; abdomen nigro 

 vittatum, lateribus nigro variis ; alee hyalince, sublatce, sat 

 breves, non acuminate, anticce apice fusco notatce. 



Pale testaceous : head shining in front, black about the base of 

 the antennae ; vertex rather projecting, with a black stripe in the 



