106 DIPTERA OF AUSTRALIA, 



(J. — Capite rufo. Thorace nigro-nitido. Ahdomine clavato, 

 rufo, fasciis nigris. Pedibus nigris, femorihiis basi rufis. Alls 

 fuscanis basi flavis maculaque fusca. 



Head fulvous-orange. Last joint of the palpi black. Antennfe 

 rather short, naked, the first two joints fulvous ; the rest black ; 

 the last seven small. Prothorax fulvous, narrow ; mesothorax 

 nitidous black ; sides and lateral spot with fulvous bloom ; another 

 fulvous lateral spot near the posterior border ; scutellum and meta- 

 thorax fulvous, the last with two brown spots. Abdomen : the 

 first two segments narrow, shining fulvous ; second segment 

 elongate, the posterior margin black ; the five others forming an 

 elongated mass ; third and fourth black, with the antei'ior margin 

 fulvous ; fifth, sixth, and seventh fulvous ; venter : the first two 

 segments fulvous ; the remainder shining black. Genitalia fulvous. 

 Legs blackish-brown ; femora with their anterior third fulvous, the 

 anterior (pair) a little ai'cuated. Wings reddish-brown, with the 

 exterior margin and stigmatic spot brown ; base yellow as far as 

 the base of the median cells. Length 7x1. 



Hob. — Tasmania. 



Obs. — I agree with Osten-Sacken (Studies, I. p. 182) that the 

 above-described belongs to Leytotarsus. Macquart's figure (I.e., 

 fig. 4a) is possibly incorrect. However the insect is quite unknown 

 to me at present. 



411. Leptotarsus nigrithorax, Macquart. 



Tipula 7iigrithorax, Macq., Dipt. Exot. Suppl. .IV. p. 15, pi. 1, 

 fig. 5, 1850. 



^. — Length of antennae 0-065 inch ... 1-66 millimetres. 



Expanse of wings 0-680 x 0-150 ... 17-26x3.81 



Size of body 0-470x0-120 ... 11-93x304 



<^. — Length of antennae 0-060 inch ... 1-54 millimetres. 



Expanse of wings 0-680x0-150 ... 17-26x3-81 



Size of body 0-420x0-120 ... 10-66x3-04 



