﻿】4o Ii 蟲 * 雜誌 第參卷 第^ • 四 er 



14. Melanostoma otanieuse Mats. (n. sp.) PI. i, fig. 3, 

 Aeneous black- Face grayish pruinous, with whitish hairs ； 

 front and vertex black pubescent ； antennae brownish, the 3rd joint, 

 except the back, yellow arista yellowish. Thorax and scutellum 

 pale fulvous. Wings hyaline, scarcely infuscated, veins brown, spu- 

 rious vein and stigma yellowish. Calypteres whitish ， halteres yellow. 

 Abdomen somewhat broader than the thorax, with 4 pairs of yel- 

 lowish spots of the same size, the first 3 pairs being dilated at the 

 inner side and somewhat curved downwardly, the last pair narrower 

 at the inner side, all, except the first pair, not touching the lateral 

 margins, and somewhat prayish pruinous. Venter entirely fulvous, 

 In the middle somewhat infuscated. Legs yellowish, the last legs, 

 except both ends of the femur and base of the tibia, fuscous. 

 Length— 7-5 nim. 



Hab. — Saghalien (Otani) ； one female specimen collected by 



Messrs J. Adachi and S. Isshiki. 

 Nom. Jap. 一 Otani-tsuyahirataabu . 



Stenopipiza Mats. (n. g.) 

 Somewhat resembles Pipiza FAll. 

 ^. Body narrow, lineal. Head somewhat broader than the 

 thorax ； oral margin somewhat beak-like projected ； face black, 

 concave ； proboscis long, sucking-surface broad, palpi filiform ； an- 

 tennae short, the 3rd joint as long as the 1st and 2nd joints taken 

 together, with the arista on its back, at the one third part of the 

 whole length near the base ； vertex scarcely narrower than the front 

 between the antennae. Thorax globular, without yellowish stripes 

 or spots ； scutellum simple. Wings much longer than the abdomen, 

 marginal cell open, first and 2nd posterior cells closed, each lacking 

 a stump of vein, anterior close-vein distinctly before the middle of 

 the discal cell, rectangular. Abdomen convex lineal, narrawei than 

 the thorax, with 5 visible segments, at the apex truncated, the first 

 segment as long as the 5th, the 2nd the longest, the venter ex- 

 cavated. Hind femur much thickened, with numerous small teeth 

 beneath. Behabior of this insect is not yet known, but it may be 



