BY G. H. HARDY. 123 



Genus Dasyomma, Macq. 

 Macq., Dipt. Exot. 2. i., pg. 31, 1840. 



Five posterior cells open, anal cell narrowly open; an- 

 tennae three jointed with a terminal nnjointed arista which 

 is slightl}^ thickened basally ; tibise withouib bristles, an- 

 teiior with one, intei-mediate and posterior with two apical 

 spurs ; abdomen conical ; eyes pubescent, contiguous in the 

 $ , widely separated in the $ . 



Hitherto this genus was only known from Chili. 

 Macquart separated it from Leptis by the pubescent eyes. 

 This record of Australian allies to the Chilian species is of 

 special interest, parallel to that of genus Pelecorhynchus 

 (Tabanidce). 



Key to Genus Dasy omnia. 



1. Wings spotted, eyes thickly piubescent. maculipennis. 



Wings suifused with black, not s]3otted, eyes scantily 



pubescent. 2. 



2 Antennfe reddish, abdomen entirely black. dissvmilis. 



Antennas black, abdomen brown, with apex of segments 



black. dissimilis var. 



Dasyomma maculipennis, sp. nov. 



Eyes thickly pubescent; wings suffused with brown, 

 with dark spots. 



$ . Shining black, face with tracings of gTeyish or 

 brownish grey tomentum, eyes contiguous, thickly pube- 

 scent; antenuce with black hair on the two basal segments, 

 beaird yellowish grey, with a little black antieriorly nearest 

 antennae. Thorax with two grey tomentose median stripes 

 and obscurely grey laterally, but thesiCi markings may be 

 entirely obsolete; hairs yellowish mixed with a little weaik 

 black hair, similar hairs on scutellum and abdomen. 

 Femoi-a black, anterior and median with longish white 

 hairs below ; tibiae reddish black, apically stained black ; 

 tarsi reddish, all joints apically black ; wings dark, very 

 brownish basally and along costa to tip of the radial vein, 

 dark spots at the apex of the two basal and cliscoidal cells 

 and also at base of the cubital fork. 



$ . Similar but lighter in the thorax ; head yellowish 

 brown with the thickly pubescent eyes widely separated ; 

 third joint of antennae, ocellar tubercle, and a moderately 

 large frontal tubercle black ; legs yellowish, all apices of 

 joints stained black. 



