I 



BY E. W. FEEGUSON AND G. F. HILL. 255 



Additional locality: Townsville, N.Q. (12.11.20 and 1.12.21) on child's 

 head whilst bathing- near sea beach. 



Tabanus davidsoni Taylor. 

 Taylor, Proe. Linn. Soc. N.S.W., xliv., 1919, p. 65. 



Additional localities: Cairns District, N.Q. (Dr. J. F. Illing-worth) ; Lake 

 Maequarie, N.S.W. (Filmer). 



Tabanus breinli, n.sp. (Test-fig. 4.) 



Allied- to T. queenslandi Rie. but with a narrower forehead. 



Face and lower portion of cheeks covered with gTey tomentum, and with 

 long rather scanty whitish pubescence, subcallus and upper part of facial tri- 

 angle with yellow-brown tomentum. Beard white. Palpi with second joint 

 stout at base, ending in a moderately long acute point, yellowish 

 clothed with moderately long appressed black pubescence; first joint 

 with long white hairs below. Antennae (Text-fig. 4) reddish-yellow, with an- 

 nul! darker, basal joints slightly paler; first joint almost as wide at apex as base 

 of third joint, set with rather conspicuous black pubescence, thickest at upper 

 apical angle; second joint much shorter than fii-st joint, almost disc-shaped, 

 partially overhung by the first joint; third joint moderately broad at basei with 

 conspicuous angle, annuli short. Forehead narrow, and nai-rower anteriorly than 

 at vertex, clothed with yellow-brown tomentum, similar to clothing of subcallus, 

 with short scanty dark pubescence; callus narrow, oblong, not reaching eyes, 

 with a long linear extension to beyond middle. Eyes bare. 



Thorax black, clothed with dark brown tomentum, more greyish towards 

 sides and posteriorly with semi-erect black hairs and a few depressed pale ones, 

 more evident behind wing-roots; shoulders reddish-brown with black hair-tufts; 

 pleurae clothed with grey tomentum with long fine whitish hair-tufts, darker 

 above. Scutellum similar to dorsum with a few pale hairs on free margin. 

 Abdomen with first and second segments reddish-yellow, the remainder reddish- 

 brown, becoming darker towards apex, with a pale median longitudinal vitta 

 extending from base of second to sixth segments inclusive, somewhat lighter in 

 colour than the first two segments and with traces of gTey tomentum. Pubescence 

 black on all the segments with vestiges of pale golden pubescence on the median 

 vitta. Venter yellowish, somewhat darker towards apex, with pale pubescence 

 and a few dark hairs in the middle of the segments. Legs yellowish, the an- 

 terior femora reddish-brown, the other femora darker at base, anterior tibiae 

 dark in apical half, tarsi infuseate, the base of fii-st tarsal joint of middle and 

 hind tarsi lighter. 



Wing's hyaline, the fore-border shaded with brown; this shading extends 

 almost to tip of wing and is slightly intensified at end of second and upper 

 branch of third longitudinal veins, the bifurcation of the third longitudinal also 

 shaded; stigma yellowish-brown, not very conspicuous; no appendix present. 



Dimensions: Type ?, long, 12 mm., other specimens long, 13-14 mm.; wing, 

 11 mm. ; width of head, 4.5 mm. ; width of frons at widest part, 0.35 mm. 



Fob.— North Queensland: Palm Island (Dr. Breinl, Hill No. 1401), Torres 

 Strait, Moa Island (G. A. Luscombe). 



Described from 4 females. 



The stripe on the abdomen seems to extend fui-ther towards the base in some 

 specimens than in others; in the type the stripe cannot be traced further for- 

 wards than the base of the second segment, in the others this segment is darker 



