328 SYSTEMATIC ARRANGEMENT 



of the country. The upper parts of the head, tho- 

 rax, and abdomen are black, hut the sides of a deep 

 ochre or orange colour; wings smoke brown, the 

 stigma dark ; legs ochreous, the tarsi dusky. 



TABANUS TROPICUS. 



PLATE XXXIV. Fig. 2. 



Linn. Panzer, Qc. 



THIS exemplifies the well-known tribe of horse-flies, 

 which are so troublesome in warm weather, by fix- 

 ing on these animals, and sucking their blood. This 

 species is not one of the most common, but it occurs 

 now and then throughout the country. The anten- 

 nae are ferruginous, dusky at the apex ; eyes green, 

 with three transverse rays of purple ; thorax shining 

 dark brown, with indistinct grey lines on the back ; 

 abdomen black, the first four segments widely fulvous 

 at the sides, and the segments margined with the 

 same colour behind ; belly fulvous, dusky behind ; 

 tibiae ferruginous, the anterior brown before the 

 middle, the others generally somewhat dusky at the 

 apex ; tarsi black. 



DIOPSIS ICHNEUMONEA. 

 PLATE XXXIV. Fig. 3. 

 Donovan's Indian Insects. 



THIS group presents the remarkable singularity of 

 having the eyes placed on long footstalks, whence 

 the species are sometimes called telescopic flies. 

 The antennae are inserted on these lateral elonga- 

 tions. The abdomen is narrowed at the base some- 



