164 Miss G. Ricaiclo — A lievision of 



Ommatius lema, Walker. 



Type (?) from New South Wales (Haslar Hospital). 



A blackish species ; the tibiae dull yellowish red on their 

 outer borders, femora incrassate. Moustache yellow. Wings 

 pale brownish. 



Length 18 mm. 



Face blackish, with grey toraentum. Moustache com- 

 posed of long yellowish hairs and about seven long black 

 bristles, four above the oral opening and three near antennae. 

 Palpi brown, with long whitish hairs. Beard yellowish* 

 Antennae black. Thorax black, witli grey tomentum on 

 shoulders and at sides, and as faint stripes on dorsum; two 

 short black bristles above root of wings and two beyond,- 

 and numerous weaker ones on posterior part of dorsum. 

 Scutellum with two black ones on its border. Abdomen 

 blackish, a few black hairs at anus. Legs black; coxae 

 coA'cred with grey tomentum ; fore tibiae obscurely reddish, 

 the others only yellowish red on their outer borders ; poste- 

 rior and middle femora armed below with four black bristles j 

 fore femora with whitish pubescence below. Wings pale 

 brownish, nearly clear on posterior border, the small trans- 

 verse vein placed on the apical third of discal cell ; fourth 

 posterior cell with a short stalk. 



The type from which this description is taken is in a dirty 

 faded condition. It is distinguished from 0. angustiventris 

 by the incrassate femora, armed with four^ not two, bristles, 

 and by the less highly coloured tibiae. 



Ommatius dimidiatus, Macquart. 



Type apparently lost; not to be found in the Paris 

 Museum. 



A female in the Brit. Mus. Coll. from N. Queensland is 

 probably nearly allied to this species. 



Macquart describes it as follows : — 



Black. Legs red, femora above and the tibiae belowblacki 

 Length 4 lines, ? . 



Palpi with black hairs. Face shining black, wdth a little 

 grey tomentum ; moustache composed of black and yellowish 

 bristles. Antennae black. Thorax Avitli indistinct grey 

 stripes* Abdomen with slight grey tomentum. Tarsi black 5 

 the first joint yellow, black at apex. Wings clear, the discal 

 cell with a long stalk. 



Prom Tasmania. Paris Museum. 



Ommatius vitticrus, $ , Bigot. 



Described as dull brown. Face, beard, and moustachs- 



