246 



9. Tabanus Mvicinctns, Ricardo. (PI. IV, flg. 8). 



(Koshi-aka-Himo-Abii) 



Suppl. Ent., Ill, p. 62, 1914. 



Rather small dark species with slightly ashy white scutelhmi, 

 with white-haired tibiae and femora, and with shining dull yellowish 

 subcallus, and with two separated frontal calli. 



Female. Head very short but broad, apparently wider than the 

 thorax, slightly arched. Frontal stripe yellowish grey, slightly con- 

 tracting from just below the vertex to the front eye-angles, about five 

 or six times as long as its narrowest part or about three or four times 

 as long as its broadest part, the side margins not straight but slightly 

 curved outwards so that the frontal stripe is equal in width through 

 the vertical part ; lower frontal callus blackish brown, shining, almost 

 square but sometimes long, moderately prominent and not reaching 

 the eyes ; upper frontal callus longer than the first one but very nar- 

 row like a streak, sometimes about as long as the first one and long 

 spot-like, black and shining, very slightly elevated ; pubescence on the 

 frontal stripe very inconspicuous, rather few, mostly sloping below and 

 partly erect, on the space between the lower frontal callus and subcallus 

 there is no pubescence ; vertex slightly ashy grey; with a few scat- 

 tered short though longer than that on the frons black pubescence and 

 with an inconspicuous small oval brown ocelligerous tubercle ; subcallus 

 shining dull yellow, large, moderately prominent, reaching the eye- 

 margins but not extend to the antennal fossae leaving a narrow grey- 

 ish yellow tomentose double crescent, in the middle there is a very 

 fine longitudinal sulcus through the whole depth. Face whitish but the 

 upper extreme more or less yellowish grey especially at the upper 

 corner of the cheeks ; epistoma moderate in size, quadrate with round- 

 ed angles, moderately convex, covered with numerous long snowy 

 white hairs ; cheeks rather broad, with similar white pubescence inter- 

 mixed with stout though short blackish brown hairs which become 

 numerous towards the upper and eye-marginal parts where the white 



