FOREST PROTECTION 81 



PINE BEAUTY or PINE NOCTUA, Trachea piniperda. The eggs 

 are laid along the needles of Scots Pine. The resulting 

 larvae feed upon the needles, and may completely defoliate 

 the trees. The chrysalid stage is passed in the leaf litter at 

 the surface of the soil. Remedial measures as recommended 

 in the preceding paragraph. 



PINE MOTH, Gastropacha pini. 1 From eggs laid on the bark 



FIG. 15. PINE LOOPER-MOTH (Fidonia piniario) 

 a. Female moth, b, Male moth. c. Pupa. d. Larva. 



and needles of the Scots Pine come caterpillars, which gnaw 

 the needles. They, however, make their appearance fairly 

 late in the season (during August), and being at first of small 

 size, they do comparatively little harm at this time, and soon 

 seek winter quarters under the moss, needles, etc., that 

 obtain in pure forests. Here they remain until March of 

 the following year ; they then ascend to the crowns, and 

 resume their feeding till June, when they pupate. Attack 

 generally takes place when the trees are in the pole forest 

 stage or later. 



As remedy, the ringing or girdling of the stems with tar 



1 This moth is not a native of Britain. 



