BY ROWLAND E. TURNER. 155 



pygium ending in three small spines, the middle spine the longest 

 lateral spines divergent. 



Hab.— Swan River, W.A.(Smith). 



84. T. (Aeolothynnus) saundersi, n.sp. 



(J. Clypeus rather narrowly produced and very narrowly 

 truncate at apex. Head rugulose on front, punctured on vertex. 

 Thorax punctured-rugulose; pronotum rather broader than head, 

 anterior margin straight and slightly raised. Mesonotum broad 

 and short; scutellum strongly punctured, with a depressed, 

 transverse row of large punctures at base. Median segment 

 very short, obliquely truncate from a little behind the post- 

 scutellum. Abdomen broadly fusiform, sparsely punctured; 

 segments 2-5 strongly constricted near base, apical margin 

 depressed; first segment oblique, with a median sulcus from base 

 not quite reaching apex, subtuberculate at apex beneath; sixth 

 ventral segment with a spine at apical angles. Hypopygium 

 broad, ending in three spines, the central spine the longest, basal 

 angles prominent. Black; mandibles, apical portion of clypeus, 

 a minute spot above base of each antenna, anterior margin of 

 pronotum, base of tegulse, a transverse line on postscutellum, a 

 transverse band broadly interrupted in middle on each of the 

 four basal abdominal segments, a spot on each side of fifth seg- 

 ment, a transverse spot on each side of segments 2-5 beneath, a 

 minute spot on each side near middle of the same segments and 

 anterior femora beneath cream-yellow; posterior margin of pro- 

 notum and anterior legs dull ferruginous; intermediate and 

 posterior tibise and tarsi fuscous. Wings fusco-hyaline, nervures 

 black. Length 14 mm. 



Hab. — Adelaide(?). Type in Oxford University Museum. 



Most nearly allied to T. aterrimus Sm. 



Subgenus Agriomyia Guer. 



Agriomyia Guer., Voy. Coq. Zool. ii. 2, p.213, 1830(1839); 

 Ashm., Canad. Ent. xxxv. 1903 (<J; nee £). 



Cephalothynnus Ashm., Canad. Ent. xxxv. 1903. 



