OF INJURIOUS INSECTS. 
41 
before re-planting. Mr. Robertson thinks this method succeeds best 
in the end, as planting where there is Pine Weevil is one of the most 
precarious operations a forester can undertake. 
Hyluegus pinipeeda. 
32. Hylurgus piniperda. Mr. Wilkie, Ardkinglas, Argyllshire, 
notices the Hylurgus piniperda as prevalent on some of the old°er Pines,' 
hut that it was comparatively limited in young plantations. Mr! 
Robert Coupar, writing from Craighall, Perthshire, observes that it 
has not been as numerous in 1880 as in the previous season. He 
mentions the Beetle as very destructive to Pines of all ages, from trees 
newly planted up to those sixty years old, but that the attack is worst, 
or at least the damage is most serious, to the young woods, rather than 
to the old matured Pines. The Beetles, when developed from the 
larval galleries bored beneath the bark (of which a figure is given 
fiom specimens forwarded by Mr. Coupar), fly to the young shoots, 
Gr 
