﻿THE ENTOMOLOGICAL MAGAZINE Vofl. 瞧に 



149 



female vertex shining black, front with a brownish 人- shaped marking, 

 the both short fuscous pubescenled. Thorax pale yellowish pubescented, 

 on the side dirty -yellow ； scutellum fulvous, in the aisk fuscous pubes- 

 centcd, on the margins with longer pale yellowish hairs. Calypteres 

 and h älteres pale yellowish. Wings hyaline, stigma fulvous, veins 

 fuscous, those on the costa being brownish. Abdomen black, in the 

 male with a bluish tinge, with 3 pairs of yellow lunules, the 2nd and 3rd 

 bands often not being interrupted, not enlarged at the inner margin, 

 reaching to the lateral mar&ins ； the first pair nearly straight, the 2nd 

 somewhat curved at the anterior margin, the 3rd upturned only on the 

 outer margin, the both situated nearer to the anterior margins, the 4th 

 and 5th segments each on the hind margin narrowly yellow, the 5 th on 

 each side with a triangular yellow spot, black and yellowish pubescent- 

 ed. Venter waxy yellow, each segment with a large quadrate fuscous 

 spot. Legs yellowish, coxae* trochanter, the basal halves of the femora 

 (the nind femur largely fuscous except the apex), the middle of the hind 

 tibia and the apices of the tarsi, fuscous. 



Length ― ビ宇 1 1 一 12 mm. • 



Hab. ― Hokkaido, Honshu (common), Kiushü. 



3. Metasyrphns Kawaguchii Mats. (n. sp.) (pi. vi, fig. 10,".) 

 Aeneous black. Face yellow, with an aeneous reflection, black 

 stripe reaching to the middle: oral margin and cheeks bluish black ； 

 yellowish and brownish pubescented ； front olivaceous yellow, black 

 pubescented. Antennae brown, beneath paler, the arista brown, in the 

 middle paler- Vertex black, occiput yellowish pubescented. Thorax 

 yellowish pubescented, on the sides and a lateral tubercle before the 

 scutellum dirty yellow. Scutellum waxy dirty yellow, black pubescent- 

 ed, hairs on the sides and hind margin being yellowish. Wings hyaline, 

 veins fuscous, stisriia brown. Calypteres and halteres pale yellowish. 

 Abdomen nearly as broad as the thorax, black, with 3 pairs of lunules, 

 the first spot being nearly straight, not reaching to the lateral margin, 

 the 2nd and 3rd each at the anterior margin distinctly concave, the both 

 not reaching to the lateral margin ； the 4th and 5th segments each on 

 the hind margin narrowly yellow ； yellowish and black pubescented. 



