LIST OF DIPTERA. 201 



197. Tabanus kecedens. 



Niger ; caput cano tomentosum ; antenna basi fulvce ; thorax 

 cano trivittatus ; abdomen fulvum, vitta dorsali apiceque 

 nigris, segmentorum marginibus posticis testaceis ; pedes fulvi, 

 tibiis anticis apice tarsis anticis femoribusque nigris ; alee 

 cinereee, venis fulvis fusco nebulosis. 



Fern. More slender than T. triligatus, to which it is nearly 

 allied. Black. Head much more than twice broader than long, 

 clothed with hoary tomentum and down. Palpi testaceous. An- 

 tennae tawny towards the base. Thorax with three hoary stripes, 

 clothed with hoary hairs ; a few black hairs on each side, and 

 a tawny callus before each wing. Abdomen tawny, with a black 

 stripe, which is dilated towards the tip, and there occupies the 

 whole surface; hind borders of the segments testaceous. Legs 

 tawny ; femora, fore tarsi and tips of the fore tibiae black. Wings 

 gray : veins tawny, slightly clouded with brown ; transverse veinlets 

 darker and more clouded ; first branch of the cubital vein simple, 

 forming an obtuse angle near its base ; subanal joining the anal at 

 some distance from the border. Halteres tawny, black towards the 

 tips, which are testaceous. Length of the body 6^ lines ; of the 

 wings 12 lines. 



a. West Coast of America. Presented by Capt. Kellett and Lieut. 

 Wood. 



198. Tabanus fuscus. 



Fuscus ; abdomen nig ellum ; alee fuscance. 



Tabanus fuscus, Wied. Zool. Mag. iii. 41,1; Dipt. Exot. i. 68> 12 ; 

 Auss. Zweifi. i. 121, 14. 



Brazil. 



199. Tabanus clausus. 



Fceni. Fuscus; antennce pedesque nigra; abdomen ceeruleo-ni- 

 grum ; alee fuscanee, venee cubitalis ramo 2o venaque extemo- 

 media la conjunctis. 



Tabanus clausus, Macq. Dipt. Exot. Suppl. 2, 17, 95. 

 Brazil. 



