406 GERTRUDE RICARDO. 



Face black, covered with bronze-coloured tomentum, and with black pubescence ;. 

 beard black. Palpi black, fairly stout at base, ending in a short point. Antennae 

 bright reddish, the first two joints duller coloured, with black pubescence, the third 

 joint with a very small tooth, not very wide at the base. ForeJiead narrow, only half 

 as wide anteriorly as it is at the vertex, so that it is about ten times as long as it is 

 wide anteriorly ; frontal callus long and narrow, reaching the eyes, with a lineal 

 extension. Thorax and scutellum blackish, with black pubescence and some appressed 

 pale fulvous pubescence ; there are traces of plum-coloured tomentum on the anterior 

 part of the thorax. Abdomen blackish, covered with very short close black pubescence, 

 a few fulvous hairs in the middle of the first segment ; underside almost devoid of 

 pubescence. One specimen has the abdomen of a very dull obscure reddish brown, 

 becoming black at the apex. Legs black, tibiae sometimes a very dull reddish, 

 pubescence black. Wings yellowish brown on the fore border, reaching the first 

 basal cell and at the apex more widely diffused, extending into the first posterior cell, 

 stigma blackish brown ; no appendix present. 



Tabanus hongkongiensis, sp. nov. 



Type (female) and a series of 63 additional females from Hong Kong. 



A blackish brown species belonging to Group IX, the abdomen having clearly 

 marked grey spots and bands. Frontal callus large, oblong, with a thick spindle- 

 shaped extension. Antennae reddish ; palpi yellow ; legs blackish, tibiae yellowish. 

 Length, type 15 mm., others 12-15 mm. 



Face covered with ashy grey tomentum and with white hairs ; beard white. 

 Palpi yellow with black hairs, large, stout, ending in an obtuse point. Antennae 

 reddish, the first two joints with black pubescence, the third blackish at apex. 

 Forehead slightly broader in front, about six times as long as it . is broad anteriorly, 

 a little darker in colour than the face, frontal callus blackish brown, almost reaching 

 the eyes, oblong, the stout extension rather longer than the callus itself. Thorax 

 blackish, covered with greyish tomentum ; three stripes appear anteriorly but are 

 not continued, being represented by two grey spots on the posterior border. Scutellum 

 of the same colour as the thorax. Abdomen reddish brown, darker in the centre, the 

 first segment greyish at the sides, the second segment and the following three with 

 clearly defined median grey triangular spots ; on the second and third segments 

 appear small grey side spots, ill-defined, and reaching the posterior border, but not 

 the anterior ; all the segments with grey posterior bands, these bands and the spots 

 all grey tomentose, covered with pale yellow or whitish hairs, and the same coloured 

 hairs on the sides ; underside greyish with narrow white-haired segmentations. 

 Legs : femora blackish with grey tomentum, tibiae yellowish, at apices dusky, 

 tarsi blackish, pubescence on coxae and femora white, elsewhere black. Wings clear, 

 stigma yellowish. 



One male specimen in bad order appears to be the male of this species, the abdomen 

 is darker in colour. Eyes with large facets occupying two-thirds of the surface, and 

 reaching the base of the frontal angle. 



Tabanus indianus, Eic. 

 Thirty females. 



