178 REVISION OF THE THYNNID.E OF AUSTRALIA, II., 



longitudinally striated, much longer than broad and slightly 

 narrowed to apex. Ferruginous; abdomen black; a spot on each 

 side of first segment near middle, a spot on each side of second, 

 an interrupted transverse band on third and fourth and a spot 

 on each side of fifth segment yellow; second segment stained 

 with ferruginous. Length 10 mm. 



Hab. — Australia, probably the South-Eastern Colonies. Types 

 in Coll. Froggatt. 



Near " Tachynomyia " caelebs Sauss. 



The colour of the clypeus and of the markings on the front of 

 the head in the male would probably be yellow in a fresh specimen. 



117. T. (LOPHOCHEILUS) WIESERI D.T. 



Tachynomyia caelebs Sauss., Reise d. Nov. Zool. ii. 1, Hym. 

 p.125, n.l, 1867( C J). 



Thynnus wieseri D.T., Cat. Hym. viii. 118, 1S97( C J). 



I have not seen this species, which seems to be very near T. 

 excoriatus, but differs in having a tubercle or spine on the fifth 

 ventral segment of the abdomen. Length 10 mm. 



Hab. — Australia(Sauss.). 



118. T. (LOPHOCHEILUS) PETULANS Sm. 



Thynnus petulans Sm., Descr. n.sp. H}' r m. p. 165, n.l 8, 1879( C J). 



(J. Median segment finely rugulose; abdomen shining, sparsely 

 punctured, elongate-fusiform; epipygium deflexed, truncate at 

 apex, longitudinally striated, the stria? curved and rounded to 

 apex. Hypopygium triangular, with a short apical spine, trans- 

 versely striated above. 



Hab.— Swan River, W.A.(Smith). 



119. T. (LOPHOCHEILUS) protervus Sm. 



Thynnus 'protervus Sm., Descr. n.sp. Hym. p.159, n.4, 1879(<J). 



£. Clypeus strongly produced, rather broadly truncate at apex, 

 convex, coarsely punctured Head finely and closely punctured; 

 interantennal carina transverse, a delicate carina on front from 



