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Ä 蟲舉雜 誌 第 《： 卷 第四魏 



cented, the toucned oortion in the male much lonp-er than the vertex ； 

 in the female vertex shining bluish black ； the antennal-process fuscous ； 

 cheeks grayish, with short white hairs. Thorax long brown pubes- 

 cented, hairs on the sides yellowish ； scutellum dirty yellow, very long, 

 black pubescented, hairs on the sides and posterior margin pale yellow- 

 ish. Wings hyaline, the 3rd longitudinal vein more curved into the first 

 posterior cell, stigma dirty yellow, veins brownish. Halteres yellow, 

 calypteres pale yellow. Abdomen black, with 3 interrupted yellowish 

 bands, of which the 2nd and 3rd bands at the inner margin being rounded 

 and uptured, touching the lateral sides with the uptured apex; the 4th 

 and 5th segments each at the hind margin narrowly yellow; yellowish 

 pubescented, hairs on the black parts being mostly black. Venter dirty 

 yellow, the 2nd, 3rd and 4th segments each in the middle with a fuscous 

 spot, the 3rd and 4th each at the hind margin and the 5th entirely, 

 fuscous. Legs yellow, coxae, trochanter, femora, except the apices, and 

 the middle part of the hind tibia, fuscous, apices of the tarsi brownish. 



Length ― ^ ^ 12-14 mm. 



Hab. 一- Honshu (Nikkö), Kiushü (Kumamoto); 3 (a ビ， i ^) speci- 

 mens collected by Prof. S. Matsumura and Mr. S. Kawamura. 



2. Catabomba komabensis Mats, (n.sp ) (pi. vi， fig. 7， な.） 

 § Bluish aeneous. Face pale yellowish, vertex black, the antennal- 

 process and its environs pale brownish, fuscous pubescented ； facial 

 tubercle fuscous, its sides somewhat pale brownish, fuscous and the lower 

 part of the face pale yellowish pubescented. Oral margin pale brown, 

 cheeks grayish black. Compound eyes whitish pubescented. Thorax 

 shining, on the sides dirty yellow, pale yellowish pubescented, on the 

 posterior part mingling some fuscous hairs, hairs on the sides Being 

 denser and paler. Scutellum dirty yellow, with long fuscous hairs, those 

 on the margins being- pale yellowish. Wings hyaline, at the base yellow- 

 ish, veins and stip'ma brownish. Calypteres whitish. Halteres yellow. 

 Abdomen black, with 3 pairs of yellowisn lunular spots, the first spots 

 being nearly straight and not reaching to the lateral margin, the 2nd 

 and 3rd on their anterior margins strongly concave, on the inner sides 

 clavate, with their uptured apices reaching to the lateral margin ； the 



