die Pompiliden-Gattung Pepsis. 817 



valvula anali angusta, subquadrangulari, basin versus parum angustata; pe- 

 dibus longis, viridi coeruleis, tibiis posticis intus atro-holosericeo-strigatis, 

 metatarsis his mediocriter dilatatis; aus atro-viridi-aeneis, splendidis. - tf\ 

 long. 25 mm.; alis expansis 48 mm. 



Praecedenti similis et affinis; sed antennis crassis, apice non tarn for- 

 titer attenuatis, corpore toto pedibusque aliter coloratis, segmento ventrali 

 quarto tantum apice, non toto, nigro-fimbriato, valvula anali subquadran- 

 gulari et alis non tarn laete fulgidis, optime distinguenda. 



Patria: Brasilia (Coli. Andrei).« 



23. Pepsis pris'matica F. Sm. 

 Pepsis prismatica Smith, Catalogue of Hym. Ins. in the coli, of the 

 Brit. Mus. III, 1855, pag. 200, No. 50 (f. 

 Male. Length 10 lines. — Black : antennae of an orange-red, having 

 three or f'our of the basal and apical joints of the antennae fuscous; the 

 labrum mandibles and palpi nigro-piceous; the entire insect exhibiting in 

 different lights beautiful prismatic colours, of blue, purple and violet; 

 wings nearly black, with a slight blue and green iridescence; metathorax 

 transversely strigose; abdomen subpetiolate. 

 Hab. Mexiko. 



24. Pepsis viridis Pel. 

 Pepsis viridis St. Farg. Hym. III. 1845, 485, No. 27 (f. 

 Caput nigrum, viridi-caeruleo pubescens, nigro villosum. Antennae 

 nigrae. Thorax niger, viridi-caeruleo pubescens, metathoracis dorso trans- 

 verse striato. Abdomen nigrum, viridi-caeruleo pubescens. Pedes nigri, 

 viridi-caeruleo subpubescentes, pilis spiuisque nigris. Alae nigrae, opacae, 

 violaceo viridique micantes; nervuris, puncto marginali costa squamaque 

 nigris. — Male. Long. 1 pouce 1 ligne. 

 Bresil. Musee de M. Serville. 



25. Pepsis virescens Pel. 

 Pepsis virescens St. Farg. Hym. III, 1845, 484, No. 24 tf. 

 Caput nigrum, nigro-viridi pubescens, nigro villosum. Antennae ni- 

 grae. Thorax niger, nigro-viridi pubescens, nigro pilosus; metathoracis 

 dorso convexo. Abdomen nigrum, laete viridi pubescens. Anus nigro pi- 

 losus. Pedes nigri, nigro pilosi. Alae nigrae, violaceo-caeruleo micantes; 

 nervuris, puncto marginali, costa squamaque nigris. - Male. Long. 11 hgnes. 

 Bresil. Musee de M. Serville. 



26. Pepsis vagabunda Pel. 

 Pepsis vagabunda St. Farg. Hym. III, 1845, 484, No. 25 $. 

 Caput nigrum, nigro-caeruleo pubescens, nigro villosum. Antennae ni- 

 grae. Thorax niger, nigro-caeruleo pubescens; metathoracis dorso trans- 

 verse striato, longitudinaliter utrinque carinato, carinis bituberculatis. Ab- 

 domen nigrum, nigro-caeruleo pubescens. Anus nigro pilosus. Pedes nigri, 

 pilis spinisque nigris. Alae fusce ferrugineae, violaceo caeruleoque latentes; 

 XXXIX. Heft IV. 



