﻿THt ENTOMOLOGICAL MAGAZINE 



17 



longitudinal vein somewhat curved or bent deeply into the first posterior 

 cell; anterior cross-vein strongly curved in the middle. 

 In our college 、ve have 5 species. 



Table of Species* 



1. Abdomen much longer than the head and thorax taken together. 2 

 一 Abdomen as long as or a little longer than the head and thorax 



taken together. 5 



2. The third and fourth abdominal segments with whitish spots. 



alboguttatus n. sp. 



一 The third and fourth abdominal segments not with whitish spots 



(on the third with 2 yellowish spots) japonicus n. sp. 



5. Abdomen as long as the head and thorax taken together 



okinawellus n. sp. 



一 Abdomen a little longer the bead and thorax taken tooether. ... 4 

 4. Abdomen narrow, linear, with whitish spots. ... iwatensis n. sp. 

 一 Abdomen as broad as the thorax, towards the apex narrower, 



with yellowish spots 4-guttatllS n. sp. 



1. Eumerus okinawellus Mats, (n. sp.) 1)1. I， fig. 13, 

 Head hemispherical, broader than the thorax. 



Face indigo blue, with a metallic luster, covered with yellow liairs, 

 on the front two yellow groups of hairs, frontal triangle yellow, o cellar 

 triangle metallic inaigo blue ； compound eyes with fine yellow hairs, in 

 the male having longer hairs; antennae orange yellow, the first and 

 second joints very short, the third oval, broad, compressed, the arista 

 black, at the base yellowish, in the female the third joint on its back 

 somewhat fuscous. 



Thorax metallic indigo blue, with brownish yellow hairs, on the sides 

 somewhat brownish and not shining. Scutellum heniicircular, with 

 yellowish gray hairs. Abdomen black, polished, at the margin with 

 a blue luster ； on the second segment a broad white marking; which 

 being cut in the middle, on the third with a narrow white markinp-, which 

 also being cut in the middle, and each being turned upwardly. 



Femora thickened, black, polished, tibiae yellow, each somewhat 



