AMKRTCAN TIYMKNOT'TKHA. 1 J7 



One 9 ^pf'f'iiiicn. This Ix^mtiful spocics niiiy lio ;it, onoe rocoffnizctl 

 by tlie wiiij^H bciiif^ brttudly black at ba.sc. ]t i.s closely allied to M<m- 

 ff'zimia. Smith. 



II). Pepsis caerulea. 



Sphex cAzruha, Linn., Syst. Nat. i, p. 047. Fabr. Ent. Syst. ii, j). 21'J. 



Sphex auripennis, DodoGT, Jn.s. iii, p. .085. 



Sphex rubra, Drury, Ins. ii, p. 7.5, pi. 'M, fig. 6. 



I'epsis C(crulea, Fabr., Syst. Picz. p. 214. St. Farf;., liyni. iii, ji. 47.'>. 



Pepsis speciosa, Beauv., Ins. Afric. ct Anic^r. p. 9.'>, pi. 2, fig. 5. 



I'e]>sis C't:ru/ea, Snt'iili, Brit. Mus. f'at. Ilyin. iii, 191). 

 '■'■ Fntitilc. — Head covenid willi a bluish-black pubescence, and with 

 ])lack liairs; aiitennic black; thorax with bluish-black pubesc(!iice ; 

 disk of the nictathorax with a longitudinal channel; abdonuin with 

 bluish-black jtubescence, the anus wifli lilack hairs; lof^s black, the 

 liairs bluish-black, the; spin(!S black ; win<is Icrruf^inous, the tip disco- 

 lored, a fuscous cloud before the apex; nervuros ferruginous. Length 

 IT) lines.'' — St. F(ir(/rjiu. 



ll(iJ). — "Mexico, St. Dotningo." Not seen. J)istinguished IVom 

 m<n-;/in(tta l)y having the tips of the wings clear. 



1 1. Pepsis sulphureicornis. 



I'tpais sulphurclcwnis, Beauv., In.s. p. fl.5, pi. 2, fig. f5. 



"Blue; antennoc pale yellow; wings I'erruginous^ apex obscure, sub- 

 fnscous." 



yA(/>.— "St. Domingo." Not seen. 



12. Pepsis castanea. 



I'cjisis caslonea, Beauv., Ins. p. O.'i, pi. 2, fig. 4. 



"JJiack, with a violet reflection; antenn.'c, except base, tibiae and 

 tarsi, testaceous; first segment of abdomen with a yellow band; wings 

 rufous." 



JIah. — "St. Domingo." Not seen. 



J'>. Pepsis quadrata. 



I'epsiH quadrata, St. Farg., Ilyni. iii, p. 478, %. 

 Mule. — Slender, black, with a beautiful, deep blue iridescent pile ; 

 antennae black ; wings black, strongly violaceous, the extreme apex of 

 the anterior pair hyaline; a large, irregular, ferruginous patch in the 

 middle of each anterior wing, and a dot of the same color in the costal 

 middle of the posterior pair; legs blue-black; abdomen slender, sub- 

 p(;tiolate, blue-black. Length 9 J lines. 



J lab. — Island of St. Thomas, (Coll. Mr. E. Norton). 



One % specimen. This is a beautiful and easily recognized species. 



