第二 及ビ 第三 ノ 中央 一 1. アル ー紋並 一一 尾端ノ ニ節ハ 黑揭、 脚ハ黑 色- 腿 節 末端- 脛 節及ビ 跗節ハ 灰 黄、 
但シ後 脛節ハ 基部 ヲ 除キ黑 色、 體長四 分 二 厘、 開 張 八 分. 此 ハ臺灣 阿里 山 一一 タ余ノ 採集 セル モノ ナ 
^ガ 稀ナ ルガ 如シ、 . 
分布 I 臺灣 (阿里 山)、 
tiristaiis arisanus n. sp>. (p*l. XVIII, p-ip-- 8, J). 
Dirty yellow. Head fuscous, with the concolorous hairs- Antsnal-process on the u でで er ma ヨ in fulvous. Face で al ひ 
『aylsh yellow, with the concolorous hairs. Antennae brown, the third joint with a yellowish spot, the arista yellow. 
rompound eyes fuscous, ョ the male with 5 redaish brown stripes and brownish pubescented. Thorax with a spo-^ w^^^oraw. not 
reaching to the liind margm, the lateral ones beln^ SPMndle—sha で ed. Scutellurn dirty vdlow, at ttie Wnd ョ arp.in yellowish, 
with dirty yellow hairs, in the middle mingHng so ョ 2 brown hairs. Calypteres dirty yellow, halteres pale yellowish, wings 
in the middle hyaline, with a iurownlsn sllade, vems yellovssh brown, costa except tlie h>ase fuscous. Abdomen fuscous th ひ 
1st segment fuscous, tlie 2nd ana ^3 each m the middle with a yellowisli brown band, whicli t>eina- interrupted in the ョ iddl ひ 
narrowly and enlarged towards the sides, with t ひ staceo.JS Iiurs, those of the 2nd and 3rci IweinQ- fuscous. - venter dirty ydlow 
middle spot of the 2nd and 3rd segments and tlie following segments, fuscous. Le^s black, apices of femora, tibiae anc3 
tarsi fuscous, hind tibiae except the bmse besg Wack . 
Hab. — Formosa (Ansan) ； few specimens cdlected b-v the autllor 
2" き あしく ろめ はい 第 十八 圖 9fo 
ゥ J ( ( 
學 名 ronops curtulus -(oq. 
昆蟲 學上ノ 地位 眼蠅科 
圍 新 日本 千 蟲圖解 ，， . 
265 ) 
