﻿THE ENTOMOLOGICAL MAGAZINE Vol. II. 



145 



Hab. ― Hokkaido, Honshu, Shikoku, Kiushü, Riukiu, Formosa, 

 Corea; China ； in Hokkaido very rare, but common in Honshu 

 and Kiushü. ' 



Catabomba Ost. 

 Osten Sacken 一 Western Dipt. p. 325 (1877). 

 Head larpe, much broader than the thorax, front above the antennae 

 broad and vaulted, the facial tubercle somewhat higher than the anten- 

 nal-process ； in the male the vertex much elevated, somewhat equilater- 

 al, only I ズ as long as the touched portion of the compound eyes; in the 

 female vertex nearly as wide as the naif breadth of the front between 

 the antennae. Antennae lare^e, the 3rd joint oval, somewhat compressed, 

 more than twice as long as the first and 2nd taken together; the arista 

 near the base, at about of the back, somewhat longer than the antenna 

 itself. Compound eyes distinctly pubescented. Wino-s moderate, the 

 3rd longitudinal vein opens before the apex, distinctly curved into the 

 first posterior cell, the cross-vein at about ^ of the discoidal cell near 

 the base, the bend of the 4th longitudinal vein with a short appendage. 

 Abdomen broader than the thorax, on the lateral margin distinctly ridped, 

 with lunular spots and not banded. 



Type 一 Syrpiius lunatus Wied. 

 We have in Japan the following- 2 species. 



Table of Species. 



I. The iunular spots of the abdomen narrow, the first and 2nd spots 

 near the middle of the respective segment ... komabensis n.sp. 



一 The lunular spots of the abdomen broad, the first spots near the 

 hind margin and the 2nd near the anterior margin, lunata Wied. 



1. Catabomba lunatus Wieb. 

 Wiedemann -一 A uss. Zweifl. II. i2【，p. 8 (1830). 

 Aeneous black. Face and front yellowish, long, fuscous pubescented, 

 in the female face entirely and in the female only on the lower part of 

 the face yellowish short pubescented ； facial stripe pitchy brown. Anten- 

 nae fuscous, the first and 3rd joints beneath pale, the arista yellowish. 

 Proboscis fuscous, robust. Compound eyes densely brownish pubes- 



