33 



Aethes smeathmanniana, Fab. 2—1 



P. Richards, F. G. Whittle, E. F. Studd. 



Sacculus terminating in small curved plate; saccus divided, 

 each shaft long, bilobed. iEdoeagus curved, double pointed; 

 cornutus a strong spine. 



Ostium strong; ductus bursal thickened; bursa 

 thickened and spined. 



Aethes dilucidana, Stph. 4—1 



./. Gardner, A. E. Atmorc. 



Sacculus rounded; transtilla short, broad, dentate. 



.Edceagus short, orifice pointed; vesica rugose; cornutus 



absent. 



Ostium loosely folded; bursa spined. 



Aethes maritimana, Gn. II'. II. Harwood. 1 — 1 



Sacculus obtusely pointed, with second point above; saccus 

 terminates in a coarse point at the division; transtilla very 

 long, rugose at the tip. /Edceagus curved, with long 

 projecting blunt spine from orifice. 



Ovipositor large. Ostium wide, with operculum, below 

 which is a crescent shaped fold; ductus bursa' spined ;it the 

 junction of the bursa. 



Aethes dubrisana, Curt. 2 — 1 



= 2jephyrana, Myk, nee, 77. 



Saccus terminating in a rounded end at the division; 

 transtilla very long, not rugose at the tip. 



Ostium wide, with ill-formed operculum, below which 

 is a very small crescent shaped fold; ductus bursal spined 

 fat the junction of the bursa. 



Apart from the differences occasioned by its larger size, 

 we can see but little difference between this species and 

 maritimana. 



