﻿THE ENTOMOLOGICAL MAGAZINE, Vol 111. Pf. に 27 



breadth, being situated near the anterior margin, on the hind margin 

 scarcely concave, each reaching to the lateral side with its half surface ； 

 the 4th narrowly at the hind margin and the 5th entirely, except a middle 

 fuscous spot, yellow ； pale yellowish and fuscous pubescented. Venter 

 yellowish, the 2nd -4th segments each with' a small fuscous spot, the 

 2nd and 3rd on the sides fuscous spotted, the 4th on the hind mar(jin 

 having a fuscous band ； fuscous and yellowish short pubescented. Lej^s 

 yellow, tarsi at the apices, the middle of the hind femur and the apical 

 half of the tibia, brownish. 

 Length ― ^ 12 mm. 

 riab. ― Kiushü (Haki near Kumamoto); one specimen collected 

 by Prof. S. Matsumura. 



6. Syrphus (Macrosyrphiis) aino Mats, (n sp.) (pi. n， fig. 2.) 



ビ Thorax golden yellow. Face and cheeks pale yellow, short whitish 

 pubescented; front pale yellow, brownish pubescented, the antennal- 

 process shining yellow, vertex fuscous and very narrow. -Antennae 

 yellow, the 3rd joint in the middle somewhat infuscated ； the arista 

 brown. Thorax with 3 narrow darker stripes, on the sides yellowish ； 

 fulvous pubescented. Scutellum waxy yellow, fuscous pubescented, 

 mingling" some fulvous hairs on the margins. Wings hyaline, with a 

 yellowish tinge, veins being brown and fuscous, stigma fulvous. Calyp- 

 teres grayish, haiteres testaceous yellow. Abdomen somewhat broader 

 than the thorax, with 3 broad yellow bands, of which the first band being 

 interrupted, the 2nd and 3rd narrowly eniarginated posteriorly ； each 

 band reaching to the lateral margin with its whole surface ； the 4th at 

 the hind margin and 5th, except a small spot in the middle, yellow ； 

 fuscous and yellowish pubescented, yellowish bands miiigliiip^ very few 

 fuscous hairs. Hypopygium yellow, grayish pruinose, in the middle 

 aeneous black. Venter pale yellow, subhyaline, the dorsal black bands 

 being visible through. Legs yellow, the posterior tibia at the apical 

 half and the same tarsus, fuscous. 

 Length ― 11 mm. 



Hab. ― Hokkaido (Sapporo); 2 (ビ め specimens collected by Prof. 

 S. Matsumura and Mr. H. Okamoto. 



