[UTHOCOLLETIS 



15. L. cavella, Z. 8-10 mm. Head white, forehead ochreous- 

 tingcd. Antennae whitish. Forewings clear golden-ochreous ; 

 a white median streak from base to near middle ; basal third of 

 dorsum slenderly white ; four triangular costal and three 

 longer wedge-shaped dorsal spots shining white, anteriorly more 

 or less dark-margined, first costal and dorsal sometimes confluent 

 to form an angulated fascia; a black apical strigula, surmounted 

 by a white spot, llindwings light grey. 



Kent, Essex, Hereford, local; C. Europe; 5, 8. Larva in 

 leaves of birch (underside) ; 7, 9, 10. 



16. L. viminetorum, Sti. 7-9 mm. Antennae with apex 

 whitish. Forewings golden-brown, sprinkled with dark fuscous; 

 a slender white median streak from base to near middle ; a 

 triangular white dorsal spot at J reaching basal streak ; an 

 angulated sometimes interrupted median fascia, three ill-defined 

 posterior costal and two dorsal spots white, anteriorly dark- 

 margined ; an elongate blackish apical dot. Hindwings dark grey. 



Britain to Boss, local; Germany; 5,8. Larva pale yellowish; 

 dorsal line greenish ; head pale brown : in leaves of Salix 

 vimina/is (underside) ; 7, 9, 10. 



17. L. salicicolella, Sire. 7 - 9 mm. Differs from L. 

 viminetorum as follows: forewings more golden-ochreous, dorsal 

 antemedian spot not reaching basal streak, hindwings rather 

 lighter. 



England, N. and F. Ireland, common; Germany, Switzer- 

 land; 5, 8. Larva whitish - green ; dorsal line green; head 

 brown : in leaves of Salix caprea (underside) ; 7, 9, 10. 



18. L. lantanella, Schrk. 8-9 mm. Forewings light golden- 

 ochreous ; a white dark -margined median streak from base to . 

 near middle ; dorsum slenderly white towards base ; four costal 

 and three dorsal shining while wedge-shaped spots, anteriorly 

 dark-margined, first costal small, shorter than second : a blackish 

 apical dot, white-edged anteriorly. Hindwings grey. 



Britain to Forfar, local ; C. Europe ; 5, 8. Larva pale 

 yellowish; dorsal line dark green; head pale brown : in leaves 

 of Viburnum lantana (underside) ; 7, 9, 10. 



19. L. pomifoliella, Z. (oxyawnthae, Fr.) 7-9 mm. Posterior 

 tarsi with dark fuscous spots. Forewings golden-brown to dark 

 brown ; a white median streak from base to near middle, dark- 

 margined above ; dorsum narrowly white towards base ; four 

 costal and three dorsal white wedge-shaped spots, anteriorly 

 blackish-margined, first costal small, first dorsal long, sometimes 

 interrupted ; a blackish apical spot. Hindwings dark grey. 



