LIST OF DIPTERA. 287 



Chrysops laetus, Fabr. Syst. Anil. 112, 7. Wied. Dipt. Exot. i. 

 108, 9 ; Auss. Zweifl. i. 207, 19. 



South America. 



45. Chrysops trifaria. 



Niger : antennae basi pedesque fulva ; thorax lineis quinque flavis ; 

 abdomen trifariam fiavo maculatum ; alee basi costa faseiaque 

 fuscis. 



Chrysops trifaria, Macq. Dipt. Exot. i. 1, 159, 6. 

 Chili. 



46. Chrysops varians. 



Nigellus ; antennce flavce, apice fuscce ; thorax albido quinquevit- 

 tatus ; abdomen nigro-fuscum, vitta incisuris maculisque seg- 

 menti secundi flavis ; alee limpidce, costa faseiaque lata 

 fuscis. 



Chrysops varians, Wied. Auss. Zweifl. i. 208, 20. 

 Brazil. 



47. Chrysops bimaculatus. 



Nigellus ; antennce flavce, apice fuscce ; thorax flavo limbatus ; 

 abdomen lutenm, basi maculis duabus fuscis; pedes flavi, 

 tibiis anticis posticisque fuscis ; alee limpidce. 



Chrysops bimaculatus, Wied. Auss. Zweifl. i. 201, 10. 

 Var. Chrysops immaculatus, Wied. Auss. Zweifl. i. 202, 11. 

 Brazil. 



48. Chrysops crucians. 



Fuscus ; antenna flavce, apice fuscce ; thorax vittis glaucis ; ab- 

 domen T magno maculisque versus apicem flavis ; pedes fla- 

 vescentes, tibiis anticis posticisque piceis ; alcz basi, costa, 

 fascia incisa, apiceque fuscis. 



Chrysops crucians, Wied. Auss. Zweifl. i. 211, 24. 



Brazil. 



a. South America. From Mr. Saunders' collection. 



