26 



Hysterosia amandana, H-S l l 



Saccuhis short, terminating in serrate point; transtilla 

 indent, spined. Uncus curved; socii lobed. Jlldoeagus 

 stout, pointed, with spine near orifice. Cornuti a pair of 

 strong spines. 



Ovipositor flattened, angulate. Ostium very wide; 

 bursa thickened, in folds. 



GENUS 3. TYPE 



maculosana, Haw. 81 



Valva simple; costa thickened; sacculus broad, tapered, 

 ending before the valvula. Uncus stout, pointed; socii 

 short, drooping; anal plate indent at the point. ^Edoeagus 

 with long orifice; cornuti short, very numerous, about 40. 

 Ostiurn cleft; ductus bursae irregularly asymmetrical, 

 strong; bursa small, delicate, simple. 



GENUS 4. Clysia, Hb. TYPE ambiguella, Hb. 



A r alva short; sacculus broad; transtilla produced in two 

 arms; socii strongly chitinised. ^Edceagus short, stout; 

 vesica very large, elaborately set with spines; cornutus long, 

 slender, often broken during copulation. 



Ovipositor flattened. Ductus bnrsae short; bursa 

 neavily spined. 



Clysia angustana, Tr. A. C. Vine, J. W. M. 51 

 var thuliana. Vaughan, Adkin and Whittle. 11 



We can see no difference in the genitalia of these two forms. 



Sacculus merges into the valvula; transtilla arms 

 partially fused together. 



Bursa heavily spined. 



Clysia ambiguella, Hb. 11 



S. J. Capper, R. Adkin. 



Sacculus terminating in short spines; transtilla divided in 



two dentate arms; socii pointed. 



Spines on bursa make a prominent central star, 



