Americae seplenlrionalis. .'J7 



lotiim nititlum, limbo tamen marginis postici magis nigro; scgmeii- 

 tum quinlum uigrum. iiitidum. Vcntcr tolus scoriaceo- iiiger. Pc- 

 dcs iiigri, ienioribus posticis lcvissime iiicrassatis, libi.irum oninium 

 basi dilutc lutesccnle, apice tibiarum posticarum iii dcntcui iioii 

 producto, primis duobus tarsorum anleriorum articulis rufo-rcrrugi- 

 neis vcl rufo-fuscis, larsis poslicis totis nigris, sublns palliilc toiiicn- 

 tosis. Alae subhyalinae. piactcr basim fusco-cincrcac, stigmalc 

 fusco, vena Iransvcrsa antcriorc longa el valdc ob!i(pia. — (Ked 

 Hiver; Kennicot.) 



56. Xylotu (jnailriiuacxilat a nov. sp. cT el 9. Obscure 

 aeneo-viridis, abdomine luteo-cjnadrimaculato, tertio anteiinarnm ar- 

 iicnlo obscure ferru^ineo^ setd totu nigrd: pedes nigri., tibils antc- 

 rioribns posticarumcjue basi luteis^ iarsorum ariictdis uliimis duo- 

 bus nigris. tertio fusco. relifjuis Inteis. tar.sornm tamen jwsticorum 

 adversus basim subfuscis : tibiarnm posticmiim ope.v in dcntem non 

 produclus:, co.vae posticae maris tubercidatae. — Long. cor[). 1 — 

 4| lin., Long. al. .3^'^ — 4 liu. 



Capul nigrum, froiile inodice proininentc el facic noniiibil cx- 

 cavala polline conferto albido obtcctis. Primi duo antennarum ar- 

 ticuli nigri, tertius ferrugincus. ovaliis. scta tola nigra. Tlioiax to- 

 tus aenco-viridis, uiiidus, iion vittaliis. Scutcllum riim tboiacc con- 

 color. Primum abdomiiiis scgmcnlum nitidum. subacncum; scgmeii- 

 tum sccundum flavo-bimaculatum, fascia antica cl vitla nicdia atris. 

 fascia postica fusco-nigrn, vel nigra; scgmcntum terliiim simililcr pi- 

 ctum, fas(Ma aiilica miniis lata. ct saepe miniis iiigra. jiostica laliorc 

 ei magis iiigra,; maculac llavac scgincntorum sccuiidi el tcrlii iii 

 foemina minores quam iii mare, sacpe ex parle aut lolae aciicac; 

 scgmciitum quarlum aciieo - nigruni. nilidum, in inarc siicpc aciieo- 

 piceiim. Coxac posiicae maris iicc dcntatae nec tiibcrculalac; fc- 

 mora praeter apicem acneo-nigra, postica modicc iiicrassala; libiac 

 aiilcriorcs lulcae, ante apiccm obsolelissime infusratac, puslic.ic iii- 

 grofuscac, Iriente basaii dilutissime lutcsccnte, apice in dentcin iioii 

 produclo; tarsorum arliculi primi diio liilei. posticoiiim ba.siin vcr- 

 sus subliisci, tcrtius fusciis, ullimi diio nigri. Alac siibbyaliii.ic, c\ 

 fusco cinereae, stigmate fusco. — (lllinois; \ic Harou J 



Nola 1. Proptcr simililiidiiiem Xylotac (piadrimaciilal.ic ciiin 

 XYlota fraiidiilosa (liagnosin Iiiijiis. (piaiii iu Cciiliir. \. 11 pro- 

 posui, iii sc(picnlcin cmcndarc vclis: X]}l(>la fraudulosn n 

 ct $. Obscurc acneo-viridis, .ibdomine llavn - (piadi iiiiaculalo. 

 sctac aiitennalis basi lulca, coxis poslicis maris ncc deiit.ill- 



