102 Deutsch. Ent. Zeitschr. 1922. 



I. The middle lobe of labium black, while in magnificata yellow. 



n. Cuj and Cu^ strongty curved in the liind wing , their 

 ends not reaching the level of nodus, while in maijnificata always 

 reachfng or surpassing the nodus. 



III. Discoidal field of the fore wing contains three rows of 

 cells, while in magnificata it contains two rows of cells for some length. 



IV. Thorax has broad bands. 



V. Body is bright yellow, biit reddish in magnificata. 



Ne othemis gen. nov. 



Type: Neothemis insularis sp. nov. 



H e a d large, frontal tnbercle bifid ; thorax" small and short ; 

 a b d m e n rather slender, but the basal Segments thickened and 

 then gradiially tapered to extremity, not depressed; genital hamules 

 very conspicuously projected ; segment 8 of the feniale not per- 

 foliated. Wings long and narrow , M^—g and M^ in common 

 stalk for some length. Fore wing with 12 — 16 antenodals and 

 11 — 13 postnodals, the first three of the latter not cöntinuous ; 

 Mg and Rs slightly waved in the middle ; triangle traversed by 

 one sometimes by tM'o nervures, followed by three rows of cells ; 

 supra subtriangle with one cross nervure and subtriangle generally 

 consists of three cells ; three to four cross nervures in cubital 

 Space. Hind wing not eonsiderably broader than the fore wing, 

 with 10 — ^12 antenodals and 11 — 12 postnodals; triangle traversed 

 by one cross nervure, supratriangle free and cubital space with 3 or 

 4 cross nervures; pterostigma moderably long. Legs short and stout. 



The venational characters resemble to that of some species 

 of Lyriothemis, but in the shape of abdomen this genus is widely 

 apart from it. The abdomen equilateral in its cross section, 

 assuming a triangulär prism , and in female there is no per- 

 foliation on the 8* segment. Beside tliese, the head is remarkably 

 large as compared with thorax, having nearly half the length of 

 the latter, but much wider. 



N eothe m i s insula r i s sp. nov. (PI. II, Fig. 8 — -1 1. ) 



Abdomen cf 22 — 26 mm, $ 25 — 27 mm; hind wing cf 29 

 to 32 mm, $ 32 — 35 mm; pterostigma cf $ 2,5 mm. 



Head: frontal tubercle and frons above metallic blue, with 

 black hairs ; face white or grayish white in males and black in 

 females ; labium yellowish, only the inner margins of lobes black. 



Thorax: black , scapulae and an elongated marking on 

 Shoulder yellow , in somö individuals more one or two small 

 roundish patches near the front ; legs short and black ; wingS 

 narrow, transparent, sometimes slightly tinged. 



