486 DE. F. B. WHITE ON 3SEW HEMIPTEEA. 



Hah. Brasiliam borealem. (Fonteboa, Oct. 13, 1874, J. W. 

 H. Trail.) 



The antennae being broken, I cannot say whether all the joints 

 are black. 



Htdeomet eid^ . 

 9. Hydrometra metator, n. sp. Aptera, brunnea, opaca; antenna- 

 rum articuli primi dimidio apicali, secundi apice et articulis 2 apicalibus 

 (tertio ad basin excepto), rostro apice, femorum et tibiarum apieibus, 

 necnou tarsis nigris. Capitis parte anteoculari quam pars postocularis 

 duplo longiorej antennis gracillimis corporis sequilougis, S long- 

 18, lat. 1 millim. 

 Hab. Brasiliam borealem. (Uru9aca, Eio Jurua, Nov. 1, 1874, 

 J. W. H. Trail.) 



The genus (whicb is the same as Limnolates of some authors) 

 has not before, I think, been recorded from S. America. 



Yeliid^. 

 10. Velia vivida, n. sp. Aptera, nigra, pubescentia nigra brevissima 

 et capillis longioribus brunneis vestita ; pronoti margine antico macula 

 fulva (macula majore triangular! argenteo-sericea obtecta et fere oc- 

 culta) utriraque notata ; abdominis dorsi segmentis 2 basalibus utrim- 

 que argenteo-maculatis ; sterni lateribus ventreque argenteo-sericeis ; 

 coxis, trochanteribus, femoribus anticis basin versus, connexivo et 

 ventre ad medium testaceo-brunneis ; antennis fusco-brunneis ; pedi- 

 bus rostroque brunneis, illis subtus pallidioribus. Antennis longis 

 gracilibus, articulis primo secundoque subsequilongis, quarto quam 

 secundus breviore, quam quintus longiore; pronoto longitrorsus carinato, 

 angulis posticis tuberculo acuto extrorsum retrorsumque vergente in- 

 structis ; femoribus posticis pone medium subtus spinis 2 armatis. 

 Long. Zli lat. 21 millim. 

 H.ab. Nicaraguam. 



11. Velia viRGATA, n. sp. Alata, fusco-brunnea, capillis concolori- 

 bns vestita ; pronoti margine antico macula irregulari trian^ulaii ar- 

 genteo-sericea utrimque notato ; lateribus sterni abdominisque argen- 

 teo-sericeis ; antennis coucoloribus articulo basali (apice excepto) 

 pallidiore ; pedibus testaceo-brunneis, femorum macula basin versus 

 subtus annulisque 2 latis, tibiarum annulis 3, tarsorum articulis ad 

 apicem brunneis ; connexivo testaceo-brunneo brunneo-maculato. An- 

 tennis sublongis gracilibusque, pronoto maxime convexo-elevato lon- 

 gitrorsus carinato, angulis posticis tuberculo obtuso instructis. c? 

 long. 5, lat. 1 millim. 

 Hob. Brasiliam borealem. (Igarape da Caxoeira, near l[anaos, 

 June 4, 1874, " at light," J. W. H. Trail.) 



