LIST OF NEUB.OPTEKA IN BRITISH MUSEUM. 267 



Steivtosmtlus, n. g. 



Antennae moniliformes, alis breviores. Labrum emarginatum. 

 Palpi parvi. Ocelli tres. Protborax elongatus, subcylindricus. 

 Pedes graciles ; plantulae bifidse. Alse elongatse, angustse, ad 

 apicem subrotundatae, aut acutse ; subcosta cum radio con- 

 juncta ; sector primus radio parallelus, cseteros emittens ; 

 spatium subcostale venula transversali una basali ; venulse sub- 

 costales numerosse ; venulse transversales in disco pernumerosse. 



1. Stenosmylus tenuis. Walker. 



2. Stenosmylus stenopterus, n. sp. Flavo-fuscus. Antennae 

 pallide flavae. Caput flavum, vertice fusco quadrivittatOj fronte 

 fusco varia. Prothorax flavo-fuscus, nigricante vittatus. Alae per- 

 angustse, elongatse, acutse : anticse albo-hyalinse, maculis costalibus 

 apicem versus strigaque longitudinal! in dimidio apicali marginem 

 dorsalem versus fuscis ; venis longitudinalibus fusco longitudinaliter 

 striatis, albo interruptis ; venulis transversatibus albis, nigro tuber- 

 culatis, posticse hyalinse, pterostigmate brunneo, venis longitudi- 

 nalibus fuscis, venuUs pterostigmaticalibus marginalibusque nigro 

 tuberculatis. Pedes flavi, pilosi ; tibiarum et tarsorum articulorum 

 apicibus nigricantibus. Abdomen fuscum ; apice incrassato, terebra 

 compressa, sm-sum incurvata, instructo ; infra ante apicem valvulis 

 duabus bifidis instructum. ( 5 .) Long. corp. 5"'-6"'; exp. alar. 1 5"'-20'". 



Hab. in Australia. In Mus. Brit. 



Yellowisb fuscous. AntenncB shorter than the wings, pale yellow, haiiy. 

 Head yellow ; vertex with four fuscous longitudinal stripes ; face with 

 fuscous markings ; palpi fuscescent ; ocelli black. Prothorax with 

 the length more than twice the breadth, slightly narrowed anteriorly, 

 hairy at the sides; yellowish fuscous, with longitudinal blackish 

 streaks in the middle and at the sides. Mesothorax yellowish fuscous, 

 striped with black. Wings very narrow, elongate, acute : anterior 

 wings whitish hyaline ; a fuscous streak from the apex reaches nearly 

 halfway to the base near the dorsal margin ; some fuscous spots on 

 the terminal portion of the costal margin; longitudinal veins with 

 long fuscous streaks interrupted by shorter white spaces ; costal and 

 marginal veinlets whitish, with numerous thickened black dots ; discal 

 veinlets for the most part half black and half white, each with one or 

 two thickened blackish dots in the middle : posterior wings hyaline, 

 iridescent ; pterostigma brownish, pterostigmatical and marginal vein- 

 lets with numerous thickened black dots ; longitudinal veins and discal 

 veinlets fuscous, the latter showing a trace of the thickened dots. 

 Legs yellow ; the tips of the tibiae and of the tarsal joints blackish 

 fuscous, the terminal tarsal joint wholly fuscous. Abdomen fuscous, 

 the apex incrassated and testaceous ; at the base of the 6th ventral 



