85 



white at the tips, and in the antennae, being ferruginous at the tips. It is to be observed 

 that Linnaeus has described two species under the name of Sphex coerulea, the first belong- 

 ing to the genus Pelopaeus, and being the Sphex cyanea of Fabricius ; and the second, above 

 noticed, and being the auripennis of De Geer, which latter name, in order to prevent 

 all confusion arising from the employment of the name of coerulea, it would be desirable 

 to adopt. 



PELOP^US PETIOLATUS. 



Plate XXXIX. fig. 7. 



Order : Hymenoptera. Section : Fossores. Family : Sphegidai. 



Gends. Pelop^ds, Latr. Fabr. Sphex, Drm-ij. 



Pelop.eus Petiolatus. Fuscus, thoraoe abdominetiue nitidis brunneis. (Expans. Alar. 1 unc.) 



Skn. Sphex petiolatus, i>r«r)/, J p;7. iW. 2. 



Habitat : Jamaica. 



Head and antennae brown. Thorax and abdomen shining dark brown, and separated by a rather 

 long peduncle. Wings brown and thin. Legs also brown ; the fore ones having a single tibial spur, 

 the rest having two. 



SPHEX PENSYLVANICA. 



Plate XXXIX. fig. 8. 



Order: Hymenoptera. Section: Fossores. Family: Sphegida;. 

 Genus. Sphex, Linn. Latr. §-c. Pepsis, Fabr. Pal. Beaiw. 



Sphex Pensyltanica. Nigra, abdomine petiolato atro, alis subviolaceis. (Expans. Alar. 1 unc. (! lin.) 

 Syn. Sphex Pensylvanica,iiHn.%s<. aw. 1.2.941. Fabr. Syst. Piez. ill. \b. (Pepsis v.) Paul. Beauv. Ins. 

 d'Afr. et d'Amer. Hym. pi. S Jig. 4. 

 Sphex ccerulea, Drury, App. vol. 2. (nee Linn. Syst. N.) 



Habitat : New York. 



Head and antennee black. Ocelli distinct. Mouth furnished with jaws, but no tongue to be dis- 

 cerned. Thorax and abdomen dark mazarine blue, almost black ; the former is hairy, and separated 

 from the latter by a slender peduncle. Wings brown and thin. Legs dark blue : the fore ones with 

 a single tibial spur, all the rest having two. 



TRUXALIS BRASILIENSIS. 



Plate XL. fig. 1. 



Order : Orthoptera. Section : Saltatoria. Family ; Locustidse. 



Gends. Truxalis, Fabr. Gryllus p. Drury. 



TRUXALIS Brasiliensis. Elytris pallide fulvescentibus, vitta longitudinali media virescenti, nigro irregulariter 



marginata, alis hyalinis dimidio anali roseo. (Expans. Alar. 3 unc. 9 lin.) 

 Syn. Gryllus brasiliensis, Drury, App. vol. 2. 

 H.iBiTAT : Rio Janeiro, Brazil. 



