﻿138 昆蟲/ ^雜誌 第 藝卷第 參* 四 就 



broader than the thorax, with 4 pairs of yellowish spots, those of 

 the 2nd, 3rd and 4th segments oblong and situated longitudinally, 

 those of the 5th transverse, somewhat narrower at the inner sides, 

 those of the 2nd and 3rd pairs being widely separated from the 

 lateral margins. Venter black, spots-series, the hind margins and 

 lateral sides, yellowish. Legs yellowish, coxae, middle part of the 

 hind tibia and tip of the seme tarsus, infuscated. 

 Length — 7. 5 mm. 



Hab. — Honshu (I wate); 2 female specimens collected by Mr. 



Teizo Ogasawara. 

 Norn. Jap -- Ogasawara-tsuyaMrataabu. 



丄丄. Efelanostoma flavipenne Mats. (n. sp.) PL i,fig.2,§. 



^ Aeneous black. Face pale fulvous pubescent ； vertex and. 

 front brownish pubescent ； antennae yellow, the 3rd joint on its 

 back and at the apex scarcely infuscated, arista yellow, on its 

 apical half brownish. Thorax and scutellum short fulvous pubescent. 

 Wings iiyaline, with a fulvous tinge, veins yellowish brown, stigma 

 fulvous. Calypteres wihtish, halteres yellowish brown, the stalk 

 being vellowish. Abdomen distinctly broader than the thorax, the 

 2nd segment on each lateral side with a small yellow spot, wliich 

 touching the lateral margin, the 3rd, 4th and 5th segments each 

 with a transverse yellow spot, those of the first 2 segments becom- 

 ing broader towards the middle and truncated, while those of the 

 last segment becoming narrower towards the middle. Legs yellowish, 

 a middle spot of the hind tibia fuscous. 



Length— -7.5 mm. 



Hab —Honshu ( Kyoto) ； one female specimen collected by Mr, 



M. Suzuki. 

 Nom. Jap ― Kibane-tsuyahirataabu. 



12. Melanostoma interruptum Mats. (n. sp.) Pl.i, fig.6, ^. 

 Head and thorax aeneous black, with a bluish tinge. Face 

 only on the sides grayish prutnous, with whitish hairs ； vertex and 

 front brownish pubescent. Antennae yellowish, the 3rd joint on its 

 back and at the tip somewhat in fuscated. Thorax and scutellum 



