486 



DK. r. B. WHITE ON JSEW HEMIPTEBA. 



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



H. Trail.) 



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

 are black. 



Htdrometrid^. 



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, femorura et tibiarum apicibus, 

 neenon tarsis nigris. Capitis parte anteoculari quara pars postocularis 

 duplo longiore; antennis gracillimis corporis aequilongis. S long. 

 18, lat. 1 millim. 



Hah. Brasiliam borealem. (Urucaca, Rio Jurua, Nov. 1, 1874, 

 J. W. H. Trail.) 



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

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



Veliid^. 



10. Velia vivid a, 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) utrimque 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 prime secundoque subaequilongis, quarto quam 

 secundusbreviore, quam quintus longiore; pronoto longitrorsuscarinato, 

 angulis posticis tuberculo acuto extrorsum retrorsumque vergente in- 

 structis ; femoribus posticis pone medium subtus spinis 2 armatis. 

 Long. 7i» lat. 2^ milhm. 



Hah. Nicaraguam. 



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

 bus vestita ; pronoti margine antico macula irregulari triangular! ar- 

 genteo-sericea utrimque notato ; lateribus sterni abdominisque argen- 

 teo-sericeis ; antennis concoloribus 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 milhm. 



Hah. Brasiliam borealem. (Igarape da Caxoeira, near Manaos, 

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



