11 



setao albicantes; pedes pilis setisque albidis vestiti , nigris 

 adversus tibiarum apicera intcrmixtis, in tarsis plerisque nigris ; 

 alae hyalinae, secundo costae dimidio cinereo limbato cellulisque 

 plerisque obscure cinereo liüiratis. Long. corp. 12% lin. — Long, 

 al. 9'/i2 lin. 



1>. flicrostvluni dlsupar Loew. c? 



10. Xiphocerns tricolor nov. sp. <$ et £ — Niger, antennis, humeris, 



postico thoracis limbo latissinio , scutello pedibusque rufis, 

 abdoniinis segmentis secundo, tertio et quarto utrinque maculä 

 flava ornatis, sequentibus flavo-marginatis, ultiniis totis flavis 

 faciesalbo-pollinosa, mystace flavo sive fulvo; palpi nigro-pilosi; 

 pleurae immaculatae; alaruin dimidium basale lirapidum, ad- 

 versus marginem postioum subinfuscatum , dimidium apicale 

 fuscum, discis cellularum interdum valde elutis; vena longitu- 

 dinalis quinta obscure fusco limbata; costa, vena auxiliaris, 

 vena longitudinalis prima et prima duarum sequentium segnienta 

 laete oebracea. Long. corp. 6% lin. - Long. al. 5% lin. 

 Synon. Xiphocera Reynaudü Macquart, Dipt. Exot. I. II. 48. 

 variet. 



11. Discocephnla scmitcstaccn nov. sp. c? — Fusca, fosco-polHnosa, 



opaca, tborace non vittato, abdomine pedibusque testaeeis, 



tarsis apicem versus fuscis, alis nigris; antennae nigrae, stylo 



terminali breviusculo, in apice pilis minutis nigris penicillato ; 



mystace pilisque palporum nigrorum dilute subfüscis. Long. 



corp. 2 lin. — Long. al. 2% lin. 



Obs. ( Stylus antennarum penicillatus tit in Oligopoyonibust, sed 



reliqua omnia ut in Discocephalis genuinis, a quibus non 



separanda. 



12. Hopllstomcra nobllls Loew. 5 



13. Laicnecera niollls Loew. <S 



Obs. A foeminä differt pilis mystacis modus feie oinnibus nigris. 



14. AI ei »ihn stenurus Loew. g 



Obs. Paulo minor et obscurior quam speeimina a Wablbergio 

 missa maculisquo segmiMitorum abdominaliuin mediis paulo 

 latioribus. Tortius antennarum articulus praeter basira 



