- 2 — 



Geo. lllcvodon Meig. 



M. aquilinus n. sp. — Foem. — Cor^ì. long. imn. 8. Alae long, 

 mm. 6 — Abdom. latti, min. 5. Flavo ieslaceus: anienms nigì^is, 

 articulo lertio falcato, thovacis vt't/zs latis nigris confluentidus, abdo- 

 mine lato, foliaceo, segmentis antice nigro late fasctatts, segmento 

 quarto loto nigro, pedibus mgrfs, taì^sis ferruginei^: alis fuscescenlibus. 



Femmina 1. — Tuxpango. 



Gen. Copestylum Macq. 



C. parvum u. sp. — Corpor. long. mm. 8-10. Alae long. mm. 8-9. 



— Nigrum; facie , antennis , scutello, tììoracis lateribus maculisque 

 duabics ante scutellum, abdominis maciUis duabus , magnis, latera- 

 libus ad basim, geniculisqiie testaceis flavescentibus ; iibiis tarsisque 

 ferrìigiìieis ; alis venula transversa sub- fascescente. 



Maschi 2. Femmina 1. — Tehuacan. 



C. simile n. sp. — C07^p. long. mm. 9. Alae long. mm. 8. — 

 C. parvo simile; differt: facie minus lata, vitta media nigricante; 

 thoracìs lateribus maculisque duabus ante scutellum obscure ferru- 

 gineis; abdominis maculis duabus minus lyerspicuis et latis; iibiis 

 basi late flavescentibus. 



Maschio 1. Femmina 1. -- Tehuacan e Meztillan. 



Gen. Volucella GeoflFr. 



V. omochroma n. sp. — Foem. — Corpor. long. mm. 14. Alae long, 

 mm. 14. — Nigra; dense pilosa; facie, fidente et antennis cereis; 

 oculis dense fulvo-hirtis ; antennis articulo tertio supra exciso, scu- 

 tello setis instructo; abdomine violaceo clialybeo; alis basi et dimidia 

 costa nigricantibus. 



Femmina 1. 



V. furens n, sp. — Mas. — Corp. long. mm. 13. Alae long. mm. 13. 



— Nigra, pilosa: facie et antennis obscure cereis: scutello ferrugineo, 

 spinoso: abdomine pedibusque nigro-ferrugineis: alis limpidis. 



Maschio 1. — Mexico. 



V. Craverii n. sp. — Mas. — Coy^p. long. mm. 13. Alae long, 

 mm. 13 ~- Simillima V. Furenti: differt: scutello pallidiore, spinis 

 deslituto: abdomine testaceo- ferrugineo, apice nigro. 



Maschio 1. — Mexico. 



