124 



\y covered with a golden yellow pubescence at the broad hind 



margin of each segment tarandinus, Linne. 



II. Body moderate, less than 20 mm. in length ; abdomen without dis- 

 tinct haired segmentations. 

 2. Rather small-sized species of black, with three rows of indistinct 



greyish spots on the dorsal abdomen, legs entirely blackish 



hirticeps, Loe w. 



22. Blackish medium-sized species, with reddish yellow or dull 

 orange yellow lateral markings on the abdomen. 

 3. Abdomen mainly blackish grey or black, with only mod- 

 erate light lateral markings near base ; eyes of the male in 



life with three purplish bands tropicus, Panzer. 



33. Abdomen mainly reddish orange, with a black dorsal stripe ; 



eyes of the male in life with two purplish bands 



distingucndus, Verral. 



1. Therioplectes tarandinus, Linne. (PI. HI, fig. 2.) 



(Karafuto-Aka- A fou). 



Tab anus tarandinus, Linne, Syst. Nat., ed. XII, 2, p. 1000, 1767 ; 

 Suec, p. 462, 1884. 



Mueller, Zoolog. Dan prodr., p. 179, 1776. 

 Fabricius, Spec. Insect., II, p. 457, 1781 ; Entom. Syst., IV, 



p. 364, 1794; Syst. Antliat., p. 95, 1805. 

 Gmelin, Syst. Nat., V, p. 2882, 1792. 



Meigen, Klassif., I, p. 171. 1 804 ; Syst. Beschr., II, p. 44, 1820. 

 Fallen, Kongl. vet. Akad. Handl., XXX, p. 240, 1809; Dipt. 



Suec, Taban., p. 4, 1817. 

 Duncan, Magaz. Zoolog. & Botan., I, p. 364, 1837. 

 Zetterstedt, Insecta Lappon., Dipt., p. 513, 1838 ; Dipt., Scand., 



VIII. p. 2937, 1849; Dipt. Scand., XI, p. 4259, 1854. 

 Gimm., Bull. Soc. Imp. Nat. Moscou, XX, 1, p. 184, 1847. 

 Frichson, in Middendorf: Reise in Sibir., II, p. 66, 1851. 



