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The date of the appearance of the caterpillar is early 
in April. 
It feeds on the young shoots of the Scotch fir. 
RETINIA PINIVORANA. 
Plate XCII. Figure 3. 
Localities for this species are Brighton, Manchester, 
and near London, also in Norfolk, and Yorkshire. 
The situations where it is found are young fir plantations. 
The perfect insect appears in July and August. 
The date of the appearance of the caterpillar is in 
Mav and June. 
It feeds on the young shoots of the Scotch fir. 
RETINIA RESINANA. 
Plate XCII. Figure 4. 
Localities for this species are in Perthshire. 
The situations where it is found are among Scotch firs. 
The perfect insect appears in June. 
It feeds under the gum that exudes from the twigs of 
the Scotch fir (Pinus sylvestris). 
RETINIA DUPLANA. 
Plate XCII. Figure 5. 
The situations where it is found are among fir trees. 
It feeds on the Scotch fir. 
