Classification of the British Tortricidae 



based on the structure of the male and 



female Genitalia. 



TORTRICID^E. 



I. ARCHIPSIDII. 



Male with valvse broad. Uncus, Gnathos and Transtilla well 

 developed ; Cornuti deciduous. Female with Ovipositor 

 flattened; Signa a single smooth horn with bulbed base. 



GENUS 1. Argyrotaenia, Stp. TYPE politana, Haw. 

 Argyrotaenia politana. Haw. 21 



Valva distinctly rounded; transtilla indenc. Cornuti 9-10, 

 very broad, short, pointed (apple pips). 



Ductus bursae narrow, a strong thickening at the 

 junction with the bursa. 



GENUS 2. Archips Hb. TYPE piceana, L. 



In the male the valvae are broad with the sacculus well 

 developed. Uncus strong, generally lon^, with gnathos 

 well developed. Transtilla a simple band, strong. Cornuti 

 deciduous. 



In the female the ovipositor angulated, flattened. 

 Ostium generally with well divided operculum. Ductus 

 bursaa very long, narrow. Signum long, horn shaped. 



Archips piceana, L. S. J. Capper l l 



Valva rounded; sacculus long curved not reaching margin 

 of valva. Uncus cylindrical, apex rounded and flattened; 

 gnathos pointed. ^Edceagus sharply pointed; cornuti three, 



long. 



Ostium wide with central lobe behind. Signum long, 



base short, rounded. 



