814 Roh. Lucas: 



IB. Pej)sis duhitata Crcss. 

 Pepsis clubitata Cresson, Transact. of the Ainer. Ent. Soc. I, 1867— 

 68, pag. 144, No. 2 (/$• 

 Feraale. — Velvety black, vvith a more or less brilliant purple reflec- 

 tion, less obvious on the head and thorax; antennae orange-yellow, the 

 two basal joints black; metathorax transversely striated; wings uniformly 

 black; violaceous, the extreme tip slightly paler. Length 13 lines. 



Male. — More slender than the $, with the purple reflections more 

 uniform over the body; antennae long and thick; abdomen entirely blnck, 

 with the purple or violet reflection more brilliant than on the rest of 

 tlie body. Length 10 lines. 



Hab. — Georgia (Coli. Am. Ent. Soc.) und ferner Texas (Transact. 

 Am. Ent. Soc. IV, no. 209). 

 One 9, four (/ specimens. This may be identical with elegnns, but 

 nono of the of specimens have the slightest indication of reddish mar- 

 gins to their segments. 



14. Pepsis Chili ensis Pel. 

 Pepsis chiliensis St. Farg., Hym. III, 1845, 480. No. 17 9 

 Caput nigrum, nigro coeruleo pubescens, nigro villosum. Antennae lutes- 

 ferrugineae, articulis duobus primis nigris Thorax niger, nigro pubescens 

 villosusque, nietathoracis dorso hirsuto. Abdomen subnitidum, nigro-coe- 

 ruleuni. Ano nigro villoso. Pedes nigri, pilis spinisque nigris. Alae 

 nigrae, violaceo micantes; nervuris, puncto marginali, costa squaraaque ni- 

 gris. — Femelle 1 pouce 10 lignes. 

 Chili. Musee de M. Serville. 



1.5. Pe])sis mcnechma Pel. 

 Pepsis menechma St. Farg. Hym. III, 1845, 481, No. 20 $ 



Caput nigrum, nigro pubescens pilosumque. Antennae luteo-ferrugi- 

 neae; articulis duobus primis nigris. Thorax niger, nigro pubescens villo- 

 susque: nietathoracis dorso longitudinaliter quadricarinato, carinis externis 

 subbitulerculatis, et transversaliter substriato. Abdomen nigrum, opacum, 

 tenuiter nigro pubescens. Anus nigro pilosus. Pedes nigri, pilis spinisque 

 nigris. Alae nigrae, opacae; nervuris, puncto marginali, costa squamaque, 

 nigris. Femelle. Long. 12 lignes. 



Mas. Similis. Segmentum abdorainis sextum uti praeccdentia Corpus 

 |iaulo graciiius; metathorax ut in femina qnadricarinatus. 



16. Pepsis clegans Pel. 



Pejysis elegans St. Farg., Hym. III, 1845, pag. 489 No. 33 (f. 



Antennae crassae, luteae, articulis duobus baseos nigris. Caput ni- 

 grum, non nitens. Thorax niger, non nitens. Metathoracis dorsum trans- 

 verse substriatum, carinatum. Abdomen nigro caeruleum, pube densa, bre- 

 viori, nigra-caeruleo vestitum. Segmentorum, secundi, tertii, (juinti sex- 

 tique margo posticus linea ferruginea tenui ferrugineo pubesconti terini- 



