148 JOURNAL, BOMBAY NATURAL HLST. SOCIETY, Tol. XXVI. 



Fig. 21 



Fio- 



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Fig. 21. — Male sexual organs of Lathrecista amttica (x 12). 

 Fig. 22. — Female sexual organs of same (x 12). 

 Expanse 72 mm. Length 45 mm. 



Head : eyes brown at the summit, a milky or opalescent blue laterally 

 and beneath ; occiput black ; vesicle blackish brown ; labium, labrum, 

 clypeus and lower part of epistome opaque white, the epistome above and 

 narrowly at the sides glossy black brown. 



Prothorax : a violet brown. 



Thorax : a violet or purple brown frosted over with white. 



Legs black : the inner sides of the anterior femorte paler. 



Wings hyaline ; the extreme outer edge of the apices touched with brown. 



Stigma dark brown. Membrane brownish or brownish white. 



Abdomen polychroic ; the first 3 segments reddish brown and often 

 frosted over with white which gives a bluish tinge to them, the remaining 

 segments a bright carmine red with very narrow, black annuli at the 

 intersegmental nodes. Some specimens have a greenish-yellow, narrow, 

 mid-dorsal stripe on the first 3 segments. Other specimens instead of 

 carmine rod, are a rich, dark olivaceous brown. 



Female: eyes violet brown or purple coloured above and greenish yellow 

 at the sides, paliug considerably beneath ; mid-lobe of labium black, 

 lateral lobes bright yellow ; vesicle metallic blue with a small white spot on 

 either side of the mid-ocellus ; upper part of front a dark olivaceous tint 

 with a metallic green sheen, the lower part pale greenish yellow narrowly 

 bordered with black. 



Thorax : a mid-dorsal greenish-yellow stripe bisected by a narrow black 

 line ; broad, purple-brown, humeral stripes with a metallic sheen ; laterally 

 greenish-yellow with 3 very irregular, oblique, dark, metallic green stripes, 

 the anterior of which is bifid in its upper part, the middle one crossing 

 the spiracle ; the posterior also bifid in its upper part. All these markings 

 liable to a certain amount of variation. Beneath, the posterior stripe is 

 continuous with a black square, the centre of which is greenish-yellmv. 



