32 



Genus 14. Aethes, Biib. type smeathmanniana, F. 

 Valva wide, curved; transtilla Btroagly developed; socii 

 flying. /Edceagus very strong, cardinate, generally with 

 large prolongation or shaft; cornutus usually absent. 

 Ostium elaborate; bursa spined 



Aethes subbaumanniana, Wilk. 1—2 



W. Purdey, J. W. M. 



Transtilla a broad plate, deeply indent. /Edceagus curved, 

 with a booked spine at the orifice and a long, slender serrate 

 shaft. 



Ovipositor somewhat narrow. Ostium funnel shaped; 

 ductus bursa' very narrow; bursa delicate, scobinate. 



Aethes baumanniana, Schiff. J. W. M. 2—2 



Transtilla a broad dentate plate, deeply indent. .Edceagus 

 gracefully curved, with two uneven points and a long, 

 slender shaft. 



Ostium funnel shaped, heavily set with short spines at 

 its junction with the very narrow ductus bursa 1 ; bursa 

 delicate, scobinate. 



Aethes beatricella, Walsm. 11'. Purdey. i — i 

 Sacculus thickened and slightly serrate; transtilla largs, 

 strong, centrally produced, dentate. ^dceagus short, 

 curved, two-pronged (doubly pointed); vesica rugose. 



Female very complicated and developed. Ovipositor 

 normal. Ostium wide, asymmetrical, an opening leading 

 into a blind sac; operculum strong, furnished on either side 

 with a raised guide; bursa spined. 



Aethes francillonana, Fab. 3-1 



/'. Richards, E. F. Studd. 



Sacculus deeply emarginate and produced in a squared arm; 

 transtilla large and strong, deeply indent, forming a pair 

 of pointed, dentale arms. .Kdtcagus geniculate, with :i 

 long curved branch from the base of the orifice; vesica 

 rugose. 



Ostium elaborate; bursa spined. 



