38 



vectisana, Westw. 51 



R. Adkin, J. W. M., A. Lofthouse. 



Socii broad, gently arched and tapered to a point set with 



short, stout hairs. 



Ostium rather narrow; ductus bursse long, narrow. 



walsinghamana, Bankes. 31 

 = geyeriana, 



Ban, Myk, nee Ban, Myk, nee H-S. 

 E. R. Bankes, J. H. Threlfall. 



Socii broad, acutely arched, emarginate to a point set 

 with fine, short bristles. 



Ostium rather narrow; ductus bursse very short; 

 cstiuin leads almost directly into the bursa. 



per mix tana, S.D. 



mussehliana, Tr. (Myk.) 

 W. Purdey. 



Socii broad, acutely arched, tapered to a point set with 

 fine, short bristles. 



Ostium small; ductus bursso very narrow, long; the 

 lursal circle of spines surrounded by a crinkled edge. 



V. OLETHREUTIDII. 



A small group that has been chosen to introduce a rather 

 compact group. The valva is long, often set with strong 

 spines at the termination of the sacculus; transtilla often 

 fully developed. Uncus developed, but generally weak; 

 socii large and drooping ^doeagus cardinate, sometimes 

 bearing one or more cornuti, often without. 



The ovipositor is flattened, usually broad. Ostium 

 strong with large minutely spined plate. Signum sometimes 

 absent, generally one or two scobinate patches. 



