696 TINEINA [YPONOMEUTA 



England, N. Ireland, local ; C. Europe, Asia Minor, N. Asia ; 

 7, 8. Larva greenish-grey ; lateral series of black spots ; dots 

 black ; head black : on Prunus padus ; 6. 



2. Y. cognatellus, Hb. (evonymella, Sc.) 20-25 mm. Head 

 white. Forewings white ; four longitudinal series of few black 

 dots, first not reaching middle, second beginning near before 

 middle, lowest including 4-7 dots ; some additional black dots 

 before termen ; cilia white. Hindwings dark grey. 



England, Ireland, common ; Europe ; 7, 8. Larva pale 

 greyish -yellowish ; spots black ; head black: on Euonymus ; 

 5,6. 



3. Y. padellus, L. 16-20 mm. Head white. Forewings 

 light grey, sometimes more or less suffused with white, 

 especially towards dorsum ; four longitudinal series of few 

 black dots, first not reaching middle, second beginning be- 

 yond extremity of first, lowest including 4-6 dots; some 

 additional black dots before termen ; cilia light grey. Hind- 

 wings rather dark grey. 



England, Ireland, common ; Europe, WC. Asia to Turkestan ; 

 7, 8. Larva greenish-grey ; spots black ; head black : on haw- 

 thorn, apple, and blackthorn ; 5, 6. 



4. Y. irrorellus, Hb. 22-25 mm. Head white. Forewings 

 whitish -grey or whitish, termen greyer; four longitudinal 

 series of few black dots, first not reaching middle, second 

 beginning near before middle, lowest including 6-7 dots; 

 a dark grey elongate spot on fold before middle ; a rather 

 dark grey elongate suffusion in disc beyond middle ; a subter- 

 minal series of black dots ; cilia grey. Hindwings dark grey. 



Surrey, local ; C. Europe, Asia Minor ; 7. Larva on 

 Euonymus; 5, 6. 



5. Y. plumbellus, Schiff. 17-19 mm. Head white. Fore- 

 wings grey-whitish; five longitudinal series of few black dots, 

 first not reaching middle, lowest including 6-8 dots ; a blackish 

 spot on fold before middle ; some additional black dots towards 

 termen ; an apical spot connected with a suffusion in apical 

 cilia blackish-grey. Hindwings rather dark grey. 



England to Westmoreland, common ; C. Europe ; 7, 8. 

 Larva yellowish-grey ; spots black : on Euonymus ; 5, 6. 



6. Y. vigintipunctatus, Retz. 15-17 mm. Head grey. 

 Forewings grey ; three longitudinal series of few black dots ; a 

 small blackish spot at base of a.pical cilia. Hindwings rather 

 dark grey. 



Kent to Dorset and Norfolk, local ; 0. Europe ; 4, 5, 8. 



