154 JOURNAL, BOMBAY NATURAL HIST. SOCIETY, VoL XXVL 



Nesoxenia lineata, Id. Cat. p. 180 (1890). 



Protorthe7nu lineata, Selys, Kruger and Martin. 

 Expanse 78 mm. Length 42 mm 



Head large and globular ; eyes broadly contiguous, brown above, paler 

 beneath ; vesicle and occiput brown ; labrum yeUow; frons uietallic green. 



Prothorax : bl^ck marked with yellow. 



Thorax : a dark, bronze black ; the middle segment broadly yellow, 3 

 lateral bands and the underside, yellow. Legs black. 



Wings hyaline, the apices occasionally and in female only, a dark brown 

 as far inwards as the middle of the stigma; 18 antenodai nervures; 2 

 rows of cells between 5 and fla ; usually supplementary nervures to the 

 bridge ; stigma moderately large, 3'5 to 4 mm. 



Abdomen black with a long yellow, median band which is bisected by a 

 fine, black, mid-dorsal ridge. Lateral lunulets of the same colour to each 

 segment. 



Anal appendages black. 



Genital orgaus of the male ; lamina small, procumbent, the end tumid 

 outwardly; tentaculiie procumbent, of nearly even length ; the inner, a 

 black, curved hook ; lobe broad and rounded. 



Genital organs of the female : very similar in shape to those of C. metal- 

 lica. TliH carination of the 9th ventral plate somewhat sharper, bright 

 yellow and ciliated. 



Hab. Forster gives Malabar as a district in which it occurs, but it is 

 doubtful if the insect occurs there Java, New Guinea, Sumatra and 

 Phillipines. "Toungoo, Burma, Beeson, 1918." 



Genus — Okthetkum. 



Fig. 26. — Male genital organs of — a. O. chrysoHigma, b. O. ransonnetti, 

 c. O. japonicum, d. O. sabina ( x 10), e. O. anceps, f . O. tcsmo- 

 latum. 



