61 



Median Plate (Fig.96) 



FM1 oriented strongly postero-distad. Anterior section narrow. Median to posterior section 

 moderately narrow. Proximal margin convex. Articulation with 2Ax extends from the 

 antero-distal margin of the distal lobe to the posterior section, over the posterior section 

 of the ventral ridge. Distal margin narrowly and weakly fused to 3 Ax. FM2 moderately 

 long and slender: oriented postero-distad; acerose. Anterior to postero-median section 

 separated from FM1 by a long, narrow section of membrane. Postero-median to posterior 

 section fused to FM1. 



Third Axillary (Fig.97) 



Head large; dorso-ventrally flattened. Dorsal surface moderately and extensively concave. 

 Proximal margin convex. Anterior margin dorsally weakly convex; not enlarged ventrally; 

 from the proximal angle it is oriented distad. Antero-proximal margin not extended 

 anteriad. Antero-distal margin not extended ventrad; narrow. Posterior margin with a 

 narrow concavity which extends to the tail. FCu reduced distally; distinct; broadly ovoid. 

 FA large. Anterior margin entire; not reduced by FCu. AXCu absent. Suture line between 

 FCu and FA present. Suture line between FCu and AXCu present. Suture line between FA 

 and FJ absent. 



Neck elevated proximally; depressed distally. FCu section of neck absent. AXCu forms 

 entire neck. Proximal margin elevated as a broad ridge. Ridge large; moderately long; 

 extends to postero-median of the proximal margin of tail; enlarged dorsally relative to tail. 

 Dorsal surface of ridge is curved distad; concavity absent. Embayment very deep; extends 

 past the medial margin of tail. Prong armed with a single short tooth; oriented proximo- 

 dorsad; narrow. Detached AXCu fragment slender; rectangular; weakly sclerotized. 



Tail deltoid; very broad; short; planate. Dorsal surface oriented mesad. Window absent. 

 FJ+AXJ narrow; occupies distal half; weakly sclerotized. Suture line between FJ and AXJ 

 absent. Suture line between FA+AXJ and AXA present. AXA as equally sclerotized as 

 FA+AXJ; the former occupies the postero-proximal half of the tail; straight. Suture line 

 between AXA and AXCu present. 



Hind Wing Base Description 



First Basal Plate (Fig.98) 



Humeral Plate slender. Anterior margin moderately convex; weakly sclerotized; lies distant 

 from BScA. Apex narrow; curved ventrad. Dorsal margin convex. Proximal margin 

 convex; curved proximo-ventrad. Ventral margin concave. Suture line between FPC+BPC 

 and FC+BC present. FPC+BPC formed as a small sclerite below the ventro-proximal 

 margin of FC+BC. 



Anterior Subcostal Basivenale broadly deltoid; convex. Proximal and distal sections 

 separated by a prominent suture. Proximal section extended postero- ventrad as a 

 moderately broad convexity; about as large as the distal section. Distal section continuous 

 with the Sc A bulge; separated by a weak concavity. Apex broadly rounded; oriented distad. 

 - Subcosta Anterior weakly convex. Bulge broad. 



