Australia and the Fiji Islands. 213 



Female. — Face covered with yellowii^li-grey tomentmn and 

 with a few white hairs. Eeard white. Palpi fairly stout, 

 reddish yellovA'^ or darker in colour. Antenna; blackish, the 

 first two joints rather large with black hairs, the third broad 

 at its base. Eyes bare. Forehead narrow, but a little wider 

 anteriorly, the frontal callus black, club-shaped, with an 

 extension not reaching the vertex ; forehead hlackish with 

 yellowish-grey tomentum. Thorax and scutellum blackish 

 brown. Abdomen broad, blackish with narrow reddish- 

 yellow bands; underside the same, but more reddish brown. 

 Legs blackish. Wiyigs sepia, the pale irregular band crosses 

 the bases of the first submarginal, the Krst posterior, the 

 discal, the fourth and "fifth posterior cells ; there is a small 

 clear spot at the base of the fork of the third longitudinal 

 vein, and a larger one on the apex of the discal cell, 

 embracing the base of the second and third posterior cells; 

 stigma dark brown ; wing at base somewhat pallid. 



In the female from Claudie River the palpi are blackish, 

 the abdomen on the first four segments is yellowish with 

 a black spot in the centre of each segment, the remaining 

 segments blackish with yellow segmentations ; underside 

 yellowish with broad whitish segmentations, darker at aj)ex. 



Male somewhat different from the female in the colouring 

 of the abdomen, which has black spots in the centre of each 

 of the first three segments, and the apical segments are 

 entirely black ; pubescence on the yellow parts yellow, black 

 elsewhere; underside identical. Sides of thorax with bright 

 reddish-yellow hairs, dorsum deep black. Seutellum the 

 same, with black hairs. Wings paler brown than in the 

 female. 



Silvius nigripemiis, ? , sp. n. 



Type (female) and another female from Claudie River, 

 North Queensland (J. A. Ker^haio), 11/12 and 2/13. One 

 female from same place, 28. 1. 14. 



The type is in the National Museum, Victoria. 



A species rather I'abanus-Mke in appearance, and very 

 similar to Silvius grandis, sp. n., in all particulars, except 

 the wings ; easily distinguished by its almost wholly brown 

 wings and black abdomen with white bands. 



Length, type, IGi mm., the others 14 and 17 mm. 



Face flat in centre, covered with grey tomentum and with 

 white pubescence. Palpi black, rather stout on their whole 

 length, ending in a short point. Antennae black, broad at 

 base of third joint, Tabanus-\\ke in shape. Forehead slightly 



