740 list of diptera. 



266. Asilus Jacksonii. 



Foam. Albidus ; thorax nigro vit talus ; abdomen fuscum, seg- 

 mento 7o ferrugineo, ano depresso ; pedes rufi, tarsis nigris ; 

 ala paliide Jlavescentes, apice cinerea. 



Asilus Jacksonii, Macq. Dipt. Exot. i. 2, 145, 25. 



Port Jackson, New Holland. 



267. Asilus alligans. 



Bias. Rufescens ; caput sublus albo pilosum ; mystax testaceus ; 

 thoracis et pectoris disci nigricantes; abdomen basi nigricans, 

 apice nigrum ; pedes rufi, tibiis apice tarsisque nigris ; aim 

 cinerece. 



Male. Reddish. Head beneath and coxae with white hairs. 

 Mystax testaceous. First and second joints of the antenna reddish. 

 Thorax and pectus with blackish disks ; thorax with three hoary 

 stripes ; pectus with hoary tomentum. Abdomen towards the base 

 black, and clothed with hoary hairs ; lip black. Legs red ; tarsi 

 and tips of the tibia? black. Wings gray. Length of the body 

 13 lines; of the wings 20 lines. 



a. Van Dieman's Land. Presented by Morton Allport, Esq. 



268. Asilus caudatus. 



Foem. Flavidus ; mystax fiavescens ; antenna nigra; thorax 

 fusco vittatus ; abdomen nigrum, aurato fasciatum ; pedes 

 dilute mellei ; ala subflavescentes, apice fuscescentes. 



Dasypogon caudatus, Fabr. Syst. Anil. 171, 33. 

 Asilus caudatus, Wied. Dipt. Exot. i. 191, 15; Auss. Zweifi. \. 

 444, 30. 



New South Wales. 



269. Asilus Centho. 



Asilus Centho, Cat. of Diptera, Pt. 2, 431. 



New Holland. 



Var.P Male. Black. Head clothed beneath and in front 

 with white hail's; epistoma red, prominent, beset with white bristles ; 

 first and second joints of the feelers ferruginous, clothed with white 

 hairs; third spindle-shaped ; style very short; chest and breast red, 

 the former with three broad black siripes; abdomen dull black, 

 narrower than the chest, and about twice its length, slightly tapering 



