191 



The date of the appearance of the caterpillar is early in 

 April. 



It feeds on the young shoots of the Scotch fir. 



RETINIA PINIVOKANA. 

 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 May 

 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.) 



EETINIA DUPLANA. 

 Plate XCII. Figure 5. 



The situations where it is found are among Fir Trees. 

 It feeds on the Scotch Fir. 



