164 



Tabaiius alpinus, Panzer, Fauna Germ., XIII, p. 21, 1794. 

 Curtis, Brit. Ent., VIII, p. 78, 1825. 

 Walker, Ins. Brit. Dipt., I, p. 41, 1851 ; List Dipt. Brit. Mus., V, 



suppl. I, pp. 155 & 1 60, 1854. 

 Kertesz, Cat. Dipt., Ill, p. 243, 1908. 

 Tabanns rusticus, Meigen, Syst. Beschr., II, p. 60, 1820. 



Kertesz, Cat. Dipt., Ill, p. 243, 1908. 

 Tabauus sqnguisorba, Harris, Expros. Engl. Ins., p. 28, pi. VII, fig. 



3, 1782. 



Kertesz, Cat. Dipt., HI, p. 243, 1908. 

 Aty lotus bititberculatus, Bigot, Mem. Soc. Zool. France, V. p. 659, 



1892. 

 Tabamis pyrrhus, Matsumura, Thous. Ins. Japan, II, p. 71, pi. XXII, 



%. 2, 1.905 (pt.); ;fcB;A**,fcli, P. 73, pi. I, fig- i, 

 1914 (pt.). 



A very handsome golden-hued fly with mainly ferruginous 

 abdomen, and with mainly orange yellow legs, very distinct from any 

 other Japanese species. 



Female. Head a little broader than the thorax, moderately 

 arched. Frontal stripe very narrow, parallel-sided, and about four times 

 longer than broad, and the callosities two, separated from each other, 

 shining black, small roundish (but the upper one usually much smaller 

 and dot-like), with an inconspicuous fine longitudinal furrow connecting 

 them, these two callosities especially the upper one being often almost 

 hidden under the yellow tomentum ; frontal stripe yellowish brown, 

 and bearing rather abundant golden orange short depressed hairs which 

 are intermixed with abundant black bristly hairs about the upper two- 

 thirds of the stripe ; vertex somewhat blackened and bearing much 

 more numerous curved longer (but still short) black bristles, in the 

 middle there is an inconspicuous small elevation but not shining ; frontal 

 triangle covered with a golden dust and almost always bare from a 

 distinct pubescence, with a fine longitudinal furrow between the lower 



