﻿THE ENTOMOLOGICAL MAGAZUNC, Vol. III. Pt. I. 3:3 



fuscous hairs on each hind margin ； in the female the 2nd band more 

 deeply emarginated and the 5th segment roughly transversely wrinkled. 

 Hypopygiiim aeneous black, pale yellowish pubesccnted, not mingling 

 fuscous hairs. Venter mostly without fuscous spots, not mingling short 

 hairs. The hind femur except the apex fuscous, on the apical half yel- 

 lowish pubescented, without any fuscous liairs. 

 Length ― ^ 9-10 mm 



Hab. ― Hokkaido (Sapporo) ； many specimens collected by Prof. 

 S. Matsumura. 



Many specialists think this species as a variety of S. ribesil L， but 

 we have found some constant characters in the Japanese as well as in 

 the European specimens. Most conspicuous characters of difference are 

 the yellowish hairs of the hind femur and the absence of the black hairs 

 on the ventral side of abdomen. 



12. Syrphus (Syrphns) tsukisappensis Mats. (n. sp.) 

 Much resembles to S. vitripeiinis Meig., but differs from the lauer 

 as follows : 



Body narrower. The 2ncl and 3rd abdominal band less eniarginaLed 

 posteriorly, with many short fuscous hairs, the 5th segment not trans- 

 versely wrinkled. Hypopygium yellow, with a large fuscous marking. 



Venter nearly the same. Hind femur at apex niingline some fuscous 

 hairs. 



Length — ゲ宇 I0.5 mm. 



Hab 一 Hokkaido (Sapporo and 丁 sukisapp near Sapporo) ； 4 (iq^, 

 3 ^) specimens collected by Prof. S. MiVrsuMURA. 



13. Syrphus (Syrphus) moiwanus Mats, (n.sp ) 

 Very much resembles also to S. vitripennis Meig., but differs from 

 the latter as follows : 



Body distinctly larger, but much smaller than S. ribesil L. Abdomen 

 much broader at the posterior margin of the 2nd segment, the 2nd and 

 3rd bands in the male much less eniarginated posteriorly, while in the 

 fdmale not eniarginated, and the both on the hind margins somewhat 

 fuscous pubescented. Venter in the middle with a scarcely interrupted 

 fuscous stripe. Hypophygium yellow, with a fuscous spot, with long 



