die Pompiliden-Gattung Pepsis. 817 



valvula anali angiista, subquadrangulari, basin versus parura angustata; pe- 

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

 metatarsis bis raediocriter dilatatis; alis atro-viridi-aeneis, splendidis. — c/'; 

 long. 25 mm.; alis expansis 48 mm. 



Praecedenti similis et aftinis; sed antennis crassis, apice non tarn foi- 

 titer attenuatis, corpore tote pedibusque aliter coloratis, segmento ventrali 

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

 gulari et alis non tarn laete falgidis, optime distinguenda. 



Patria: Brasilia (Coli. Andrei).« 



33. Pepsis prismatica F. Sm. 

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

 Brit. Mus. III, 1855, pag. 200, No. 50 cf . 

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

 three or four of the basal and apical joints of the antennae fuscous; the 

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

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

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

 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 doi'so trans- 

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

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

 violaceo viridique micantes; nervuris, puncto raarginali costa squamaque 

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

 Bresil. Musee de M. Serville. 



25. Pepsis virescens Pel. 

 Pe2)sis virescens St. Farg. Hym. III, 184.5, 484, No. 24 (f. 

 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 lignes. 

 Bresil. Musee de M. Serville. 



26. Pepsis vagabunda Pel. 

 Pepsis vagabunda St. Farg. Hym. 111, 1845, 484, No. 25 Q. 

 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 nitentes; 

 XXXIX. Heft IV. 52 



