BY E. W. FERGUSON AND MARGUERITE HENRY. 847 



Tabanus (Therioplectes) innotatus, sp.n. (Plate xlvi., fig. (J.) 



Large dusky species allied to T. circamdatus, black. 



Female. Length, 15.5 mm.; width across head, 5.5 mm.; 

 wing, 13 mm. 



Face clothed with greyish tomeutum and long silvery grey 

 pubescence, beard silvery, subcallus black clothed with grey 

 tomentum, palpi with 2nd joint long, moderately stout at base, 

 dusky yellow, clothed with grey tomentum and whitish hairs. 

 Antennae black, 1st two joints clothed with black hairs, 3rd 

 joint broad at base with prominent angle. Eyes finely covered 

 witli scanty hair. Front parallel, moderately broad, clothed with 

 grey tomentum becoming black at vertex; callus subquadrate 

 reaching eyes, with a stout extension reaching a little beyond the 

 middle. 



Thorax black, dark reddish brown at sides above wing roots, 

 clothed with dark greyish tomentum and with three indistinct 

 black stripes, hairs blackish; shoulders black, slightly tinged 

 reddish posteriorly, clothed with grey tomentum and long black 

 hairs; pleurae black with grey tomentum and long black and 

 white hairs; scutellum similar to dorsum. 



Abdomen black, segmentations very narrowly margined with 

 reddish brown, this colour extending on to the lateral margin; 

 pubescence black. Venter dark reddish brown becoming black 

 at apex, segments lighter reddish brown with whitish hairs at 

 sides. 



Legs black, tibiae reddish brown, tarsi dusky, femora with long 

 whitish hairs. 



Wings hyaline black, veins black, stigma brownish, long ap- 

 pendix present. 



A uniformly dark species of the circumdatus group, readily 

 distinguished by its colouration and dark wings. T. dubiosus is 

 a smaller species with well defined white segmentations and col- 

 ourless wings. Specimens were taken from November 31st till 

 March 31st; it was more plentiful in February and March than 

 earlier in the season. Specimens were mostly taken in partially 

 cleared country. 



Tabaxus regis-georgii Mac-quart. 



Dipt. Exot., i., p. 132 (1838) ; Rie., I.e., p. 276 (1915) . 

 Specimens of this species were compared with the British 

 Museum specimens and identified by Miss Ricardo. 



