prays] 



PLUTELLIDAE 



§ ; some irregular blackish marks towards termen ; sometimes 

 the whole wing is unicolorous dark fuscous. Hindwings rather 

 dark grey. 



Britain to Caledonian Canal, Ireland, common ; C. Europe, 

 Asia Minor; (i, 7. Larva greenish, marbled with red -brown 

 above ; dorsal line deep green ; head pale brown, dark-spotted ; 

 2 with two black spots : when young mining in leaves, after- 

 wards in bark of shoots, ultimately in spun shoots of ash ; 

 10-5. 



3. Yponomedta, Latr. 



Head smooth. Antennae |, in $ filiform, minutely ciliated, 

 basal joint without pecten. Labial 

 palpi moderate, curved, ascending, 

 second joint with appressed scales, 

 terminal as long as or longer than 

 second, somewhat roughened in 

 front, acute. Maxillary palpi rudi- 

 mentary. Forcwings : 7 and '8 

 separate. Hindwings 1, elongate- 

 ovate, with transparent subbasal 

 patch, cilia jj ; & absent, and 7 

 nearlv parallel Nonratlon of Yponomeuta plmnbsllva. 



A rather small but nearly cosmopolitan genus, absent from 

 Now Zealand. Imago with brewings elongate, rather narrow, 

 termen oblique. Larva gregarious, in a dense common web. 



1. Head grey . • .6. vigmtipunctatus. 



,, white . . • ■ .2. 



2. Forcwings with blackish spot on fold . . 3. 



,, without such spot . . .4. 



3. Forcwings with blackish suffusion in apical cilia 



r>. plumbellus. 

 ,, without blackish apical suffusion 



4. irrurd/its. 

 4. Lowest series including 9-1 1 dots . 1. evonymellus. 



4-7 dots . . . 5. 



5. Cilia of forewiugs white . . -2. eognatellus. 



,, ,, more or less grey . 3. padeUus. 



1. Y. evonymellus, L. (padi, Z.) 20-23 mm. Head white. 



Forcwings whitish ; five or six longitudinal scries of numerous 



black dots, first not reaching middle, lowest including 9-11 



dots; sonic additional black dots before termen; cilia, white. 



Hindwings dark grey. 



