﻿10 a 為 學雜誌 第 i«: 卷 第夸號 



black stripe, with two tubercles, the upper one being larger and blunt ； 

 epiStoma black ； antennae moderate, the first two joints black, the third 

 brown, with the concolorous arista, frontal-triangle yellow, vertex black, 

 polished ； compound eyes bare ； hairs on the mar gin around the head 

 brown, those of the under side being silvery. Thorax shining metallic 

 black, somewhat hexagonal, with very short yellowish gray hairs ； on 

 each side of pleura with a bundle of white hairs. Scutellum compara- 

 tively large, hemicircular, nearly concolorous with the thorax, but reflex- 

 ing some violet colour and having fine yellowish gray hairs on the 

 margins. Abdomen nearly parallel at the sides, with short grayish 

 hairs, the first and second segments shining black, the others being 

 yellowish brown, at the anterior margin of the third segment black, the 

 fourth and fifth segment being deep brown. 



The first and second ventral segments black, the others being just 

 like those of the dorsal side. Legs with short gray hairs, femora black, 

 tibiae and tarsi tawny, knees light yellow. Wings small, veins fuscous, 

 the costal vein being robuster. Halteres and alulae pale yellow. 



Length ― ビ 4 mm. ； exp. 7.5 mm. 



Hab. ― Honshu (Tamagawa)- 



Jap. name —— Tamagawa-mame-kirataabu . 



2. Paragus jozanus Mats. (n. sp.) PI. I, fig. 5， 



Head large. Face shining yellow, with few yellow hairs, the 

 tubercle scarcely visible ； epistoma black the first and second joints of 

 antennae black, with short black hairs, the third longest, somewhat ellip- 

 tical, brown with short brown arista ； frontal triangle yellow, vertex 

 black, polished, with black hairs, at the apex of the triangle with a 

 yellow spot; hairs on the orbit white, those of the occiput being black. 

 Thorax like that of the former species. 



Scutellum very large and shining black, with few brown hairs at the 

 margin. Abdomen long, nearly parallel, with yellowish hairs, near the 

 anterior margin of the third segment with two ochreous spots ； at the 

 anterior margin of the fourth with a trace of the same spots, on the fifth 

 hairs being denser. The first three ventral segments somewhat yellow- 

 ish, the others being black, polished. Legs ferruginous, on the femora 



