i^l 



Americae sepfenlriniiatis. 201 



62. Xytop/iagHs lo7igicornis, iiov, sp. $. — Niger. pe- 

 dil>us concoloribiis, alis nigro-variegalis , a Xijlop/iago lugenli. ciii 

 siinillimus, primo antennarum arliculo mutlo tougiore dislinclus. — 

 Long. corp 5 liii., loug. al. '■i^ lin. 



Tolus nigcr. Verlex el fronlis diinidinin infcrius nilida. (iinii- 

 (iiuin supcrius liujus polliiie cinerco opacuin. Anlcnnae nigiae. ar- 

 liculo primo (juani in Xxjtop/iago lugenli el in congeneribiis reliijuis 

 niiillo longiore. Palpi alri, pioboscis fusco-nigia. Tlioracis (loisuin 

 polliue subfusco bivittaluin. Pcdes nigri. extrcino coxaruin apice 

 genibusque sordide lulescenlibns. .Alae cinereae, venis et sliginate 

 nigris, diinidii apicalis margine vcnisqiie oinnibiis nigro-limbatis, 

 colore uigro in ipso alaruni apicc el inlci stigina cl cellulae coslalis 

 basim lale dilfuso. — (Massachusells.) 



63. Xytop/iugus rufipes, nov. sp. 9. — Ater. 7iHidus, rer- 

 lice l/ioracisrfue dorso opacis. pedibus rujis. atis nigro-macutalis — 

 Long. corp. 6^ lin., long. al. 4| lin. 



Tolus aler. Caput concolor. nitidum, fronle piope ocellos et 

 facie polline subfusco opacis. Anlennae nigrae, articulo tertio 

 arliculis primis duobus siuuil sumtis subaequali. Palpi alii. Tbo- 

 racis dorsuin polline diliile subfusco aspeisiim, iii sjieciminibus illae- 

 sis, nisi fallor, trivitlatum, vilta intermedia lalissima et linea obscii- 

 riore dissecla; vittarum inlerslilia praeler luimeros opaca. Sculel- 

 lum modice uilens; pleurac, nietanotum et abdoincn lactius nilcntcs. 

 Coxae luteo-rufac; pedcs rufi; tibiai iim po.sticai iiin apcx lale nigro- 

 fuscus, colorc fusco liieulcm apicalcm libiaiiim inodice exccdenle; 

 diio ulliini tarsonim anlicorum articuli, larsi inlcrmcdii indc ab ar- 

 ticuli terlii et postici indc ab arliculi (irimi a|)icc nigro fusci. llal- 

 tcres lulei, pedunculo magis fusco. Alae subliyalinae, ex cineico 

 sublulcscenlcs, venis pracler basiin ct stigmalc fusco-nigris; inde a 

 sligmalc fascia inconcinna fusco-nigra jicr ccllulae basalis piimac 

 apiceni ct per cellulae discoidalls basiin usiiik; iu iiiiam cclliilae po- 

 slcrioris (luartae basim demiltitur, vena traiis\ crsalis poslcrior colorc 

 fusco-nigro marginatiir cl apcx alae coloic (liliitiiis nigricaiitc aduin- 

 bralur. — (IMassacbusells; Saiiborn.) 



Nota. Xijlopliagus rufipes a X>jiopli(iiiO nlro. ciii siiiiilliiniis, 



primo aiileiinarum articulo loiigiorc cl \!ltaiinii (lorsalinm iiitcr- 



slitiis opacis fascile dislinguiliir. 



64. Xytop/iagus ab dominatis., nov. sp. 9. — Niger . nb- 

 dominis segmentis secuudo. terlio et ijuarfo prnclcr margines tate- 



15* 



