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昆蟲 學雜誌 第 參卷第 査^ 



brown, the arista yellow, on the apical half fuscous. i ho rax with ス 

 narrow darker stripes, on the sides yellow; fulvous pubescented. Scutellum 

 yellow, fuscous pubescented, the hairs on the margins pale yellowish. 

 Calpteres and halteres pale yellow. Wings hyaline, in the middle some- 

 what suffused, veins brown, stigma fulvous, only the one fourth of its 

 length surpassing the abdominal apex. Abdomen distinctly broader than 

 the thorax, fuscous, with 3 broad, not interrupted yellow bands, each 

 reaching to the lateral margin with its nearly whole surface, the bands 

 yellowish and fuscous pubescented, the fuscous hairs being shorter. 

 Hypopygium small and yellow. Venter pale yellow, only on the sides 

 fuscous spotted, long yellowish and short fuscous pubescented. Legs 

 yellow, apices of the tarsi and the middle part of the hind femur brownish. 

 Length ― ^ 13-15 mm. 



Hab. — Kiushü (Kumamoto\ Okinawa (Naha) ； many ^ specimens 

 collected by Messrs. M. Kuroiwa and H. Kawamura. 



2. Syrphus (Macrosyrphus) horishanus Mats. (n. sp.) 

 ^ ihorax aeneous. Face and cheeks yellow, without facial stripe, 

 with a bluish tinge; pale yellowish pubescented. Front above the anten- 

 nae pale yellowish brown, fuscous pubescented ； vertex fuscous, in the 

 male somewhat longer than the touched portion of the compound eyes. 

 Thorax on the sides yellowish ； pale fulvous pubescented. Scutellum 

 yellow, with a bluish tinge, fuscous pubescented, hairs on the sides and 

 on the hind margin being yellowisn. Wings hyaline, very long, about 

 the one third surpassing the abdominal apex, stigma fulvous, veins fuscous. 

 Calypteres and halteres pale yellowish. Abdomen much broader than 

 the thorax, with 3 not interrupted yellowish bands, of which the first 

 band being quite deeply emarginated on both margins, not reaching 

 entirely to the lateral margin ； the 2nd on the hind margin narrowly 

 emarginated, the 3rd nearly straight, each reaching^ to the lateral margin 

 with its upturned half surface ； the 2nd and 3rd bands mostly yellow 

 pubescented, only on each hind margin witn short fuscous hairs, the 

 black part of the 4th segment with short black, and yellowish decumbent 

 hairs; the hind margins of the 4th and the 5th, except a short fuscous 

 band in the middle, yellow. Venter pale yellow, shining, the 2nd - 4th 



