2 ^ 8 LIST OF DIPTERA. 



49. Chrysops tristis. 



Fuscus; thorax albido lineatus ; abdomen albido maculatum ; alee 

 hyalina, basi costa fasciaque abbreviata fuscis. 



Tabanus tristis, Fair. Ent. Syst. SuppL 567, 44. 

 Chrysops faistis, Fabr. Syst. Antl. 112, 6. Wied. Dipt. Exot. i. 

 iUOi 



Cayenne 



- . Wied. Dipt. Exot. i. 

 103, 2; Auss. Zweifl. i. 197, 4. 





50. Chrysops afflictus. 



Glaucus; antenna flava, apice nigra; thorax vittis tribus lateri- 

 busque silaceis ; abdomen melleum, maculis geminis baseos et 

 marginibus lateralibus fuscis ; femora flava ; tibia fusca, 

 antice albida ; aim hyalines, apice lituraque media fuscanis. 



Chrysops afflictus, Wied. Auss. Zweifl. i. 204, 15. 

 Brazil. 



51. Chryscps molestus. 



Flavus ; antenna apice fuscce ; thorax fusco trivittatus ; abdomen 

 fuscum, basi vitta media vittulisque duabus posticis flavidis ; 

 ala fusca, macula major eet tribus minoribus limpidis. 



Chrysops molestus, Wied. Auss. Zweifl. i. 205, 17. Guer. Icon 

 RSgne Anim. pi. 97, f. 3. 



Brazil. 



52. Chrysops costatus. 



Silaceus; antenna obscuriores ; thorax vittis tribus, abdomen dua- 

 bus, his apice bipartitis, fuscis ; ala fascia fusca, macula 

 excisuraque limpidis. 



Tabanus costatus, Fabr. Ent. Syst. iv. 373, 45. 



Chrysops bifasciata, Macq. 



Chrysops costata, Macq. Dipt. Exot. i. 1, 160, 8. 



Chrysops molestus, Var.? Guer.Jcon. Regne Anim. Texte 542. 



South America. Jamaica. Cuba. 



