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The perfect insect appears in July. 
The caterpillar is whitish with a crimson line along 
the back, and another of the same colour on each side 
of it; the second segment brown ; the head brown. 
The date of the appearance of the caterpillar is in 
August and September. 
It feeds on the hop. 
COSMOPTERYX ORICHALCIfcLLA. 
Plate CXXI. Figure 4. 
Localities for this species are in the New Forest and 
the Cambridgeshire Fens. 
COSMOPTERYX LIENIGIELLA. 
Plate CXXI. Figure 5. 
Localities for this also very elegant species are the 
Fens in Cambridgeshire. 
The situations where it is found are the Fens. 
The perfect insect appears in June and July. 
BATRACHEDRA PR^ANGUSTELLA. 
Plate CXXI. Figure 6. 
Localities for this species are York, Scarborough, 
Lewes, Market Harborough, Manchester, Darlington, 
Newcastle-on-Tyne, Pembury, Kingsbury, Cambridge, 
Bristol. 
