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The date of the appearance of the caterpillar is in 
June, August, and September. 
It feeds on the willow, principally the (Salix ligna ), 
on the under side of the leaf. 
CEMIOSTOMA SPARTIFOLIELLA. 
Plate CXXVII. Figure 17. 
Localities for this species are Scarborough, Bristol, 
Pembury, Newcastle-on-Tyne, Manchester, Kingsbury, 
York, Darlington, Cambridge, Birkenhead. 
The situations where it is found are among broom. 
The perfect insect appears from the middle of June 
to the end of July. 
The caterpillar is greenish. 
The date of the appearance of the caterpillar is in 
April and May. 
It feeds under the bark of the broom. 
CEMIOSTOMA LABURNELLA. 
Plate CXXVII. Figure 18. 
Localities for this species are Cambridge, Kingsbury, 
Manchester, and near London. 
The situations where it is found are amoim 
O 
laburnums. 
